APA Style Manual (p. 167): 6.17 Capitalization (Title case & Sentence case)
There are Two Types of Capitalization in APA Style: Title Case Capitalization vs. Sentence Case Capitalization. 1. Title Case Capitalization Title case capitalization: Major words are capitalized, and most minor words are lowercase. For example: Projecting Planned Trajectory of an Automated Vehicle via Augmented Reality: Effects on Takeover Performance When a Takeover Request Was Not … Read more