APA aipamena

Lankenau, S. E., Wagner, K. D., Silva, K., Kecojevic, A., Iverson, E., McNeely, M., & Kral, A. H. (2013). Injection drug users trained by overdose prevention programs: Responses to witnessed overdoses.

Chicago Style aipamena

Lankenau, Stephen E., Karla D. Wagner, Karol Silva, Aleksander Kecojevic, Ellen Iverson, Miles McNeely, and Alex H. Kral. Injection Drug Users Trained By Overdose Prevention Programs: Responses to Witnessed Overdoses. 2013.

MLA aipamena

Lankenau, Stephen E., et al. Injection Drug Users Trained By Overdose Prevention Programs: Responses to Witnessed Overdoses. 2013.