APA-referens (7:e uppl.)

Crowell, T., Fast, P., Bekker, L., & Sanders, E. (2020). Involvement of African men and transgender women who have sex with men in HIV research: Progress, but much more must be done. Wiley.

Chicago-referens (17:e uppl.)

Crowell, TA, PE Fast, L-G Bekker, och EJ Sanders. Involvement of African Men and Transgender Women Who Have Sex with Men in HIV Research: Progress, but Much More Must Be Done. Wiley, 2020.

MLA-referens (9:e uppl.)

Crowell, TA, et al. Involvement of African Men and Transgender Women Who Have Sex with Men in HIV Research: Progress, but Much More Must Be Done. Wiley, 2020.