APA aipamena

Etkind, P., Ratelle, S., & George, H. (2003). International Travel and Sexually Transmitted Disease. Centers for Disease Control and Prevention.

Chicago Style aipamena

Etkind, Paul, Sylvie Ratelle, and Harvey George. International Travel and Sexually Transmitted Disease. Centers for Disease Control and Prevention, 2003.

MLA aipamena

Etkind, Paul, Sylvie Ratelle, and Harvey George. International Travel and Sexually Transmitted Disease. Centers for Disease Control and Prevention, 2003.