APA aipamena

Wright, D. J., & Gerken, A. (1981). Antenatal screening for syphilis.

Chicago Style aipamena

Wright, D J., and A. Gerken. Antenatal Screening for Syphilis. 1981.

MLA aipamena

Wright, D J., and A. Gerken. Antenatal Screening for Syphilis. 1981.