https://apastyle.apa.org/instructional-aids/reference-guide.pdf
Updated 9/17/2012. There is sentence case and there is title case. Sentence case: References (placed at the end of the paper) are written in sentence case.
(Note that in your References list only the first word of a title will be capitalized: Writing new media.) • When capitalizing titles
A Level 1 heading introduces a new main section in the paper. Center and bold. Level 1 headings using title case capitalization. See this paper's. References
Capitalization. • In titles and headings capitalize all words with four or more letters. • After a colon
Don't put acronyms in parentheses after the first reference (for example “The Water Quality Capitalize formal titles that come directly before a name.
Proper nouns are capitalized – unless the source does not. APA capitalization rule for titles in the reference list: Only the first word of the title is
Capitalization: Capitalize the first word of a title and the first word of a subtitle as well as any proper nouns for an article
19 Oct 2021 The most common sources you will be citing in APA format will include journal articles ... Capitalization Rules for Titles in APA References.
https://www.slu.edu/life-at-slu/student-success-center/academic-support/university-writing-services/pdfs/mla-apa-comparisonofrules.pdf