Using italics in APA can be a little confusing.
The key thing to remember is that where there are two titles in the reference (e.g. a journal title and an article title, or a book title and a book chapter title, you must italicise the title of the main source (i.e. the journal title or book title)
For example:
Saunders, A. (2009). Lessons learned: Planning for post-disaster recovery and reconstruction, The Australasian Journal of Trauma Studies, 2(4), 245-263.
Grant, K. (2011). A framework for thinking about technology pedagogy. In M. Beverly (Ed.), Technology for children: New trends in research. (pp. 87-103). Jossey-Bass.
REFERENCES
American Psychological Association. (2010). Publication manual of the American Psychological Association (6th ed.).
Butler, G. (2023, September 16). Hazard burns could be fuelling the fire danger: Indigenous practices offer another way. SBS News. https://www.sbs.com.au/news/article/hazard-burns-could-be-fuelling-the-fire-danger-indigenous-practices-offer-another-way/pevprmc3f
Chapman River estuary. [Photo]. (n.d.). City of Greater Geraldton. Retrieved September 19, 2023, from https://www.cgg.wa.gov.au/residents/community-engagement/current-community-engagement-activities/chapman-river-estuary-action-plan.aspx
Encyclopaedia Britannica. (n.d.). Obesity. In Britannica Academic. Retrieved September 19, 2023, from https://academic.eb.com/levels/collegiate/article/obesity/56643
Harvey, J. (2008). Principles of refrigeration (4th ed.). John Wiley & Sons.
MacKenzie, D. (2006, June 3). Putting a face to a skull. New Scientist, 190(2554), 26-27.
Moore, T.L., & Syed, R. (2023). Viruses that cause arthritis. UpToDate. Retrieved September 19, 2023, from https://www-uptodate-com.elogin05.dtwd.wa.gov.au
Morton, S.R., Hoegh-Guldberg, O., Lindenmayer, D. B., Olson, M. H., Hughes, l., McCulloch, M.T., McIntyre, S., Nix, H.A., Prober, S.M., Saunders, D.A., Andersen, A.N., Burgman, M.A., Lefroy, E.C., Lonsdale, W.M., McMichael, A.J., Parslow, J.S., Steffen, W., Williams, J.E., & Woinarski, J.C.Z. (2009). The big ecological questions inhibiting effective environmental management in Australia. Austral Ecology, 34(1), 1-9. https://doi.org/10.1111/j.1442-9993.2008.01938.x
Western Australia. Department of Biodiversity, Conservation and Attractions. (2023). Leafy sea dragon. https://www.dbca.wa.gov.au/wildlife-and-ecosystems/marine/marine-parks/fun-facts/leafy-sea-dragon