Citação norma APA

Kost, K., Singh, S., Vaughan, B., Trussell, J., & Bankole, A. (2007). Estimates of contraceptive failure from the 2002 National Survey of Family Growth.

Citação norma Chicago

Kost, Kathryn, Susheela Singh, Barbara Vaughan, James Trussell, and Akinrinola Bankole. Estimates of Contraceptive Failure From the 2002 National Survey of Family Growth. 2007.

Citação norma MLA

Kost, Kathryn, et al. Estimates of Contraceptive Failure From the 2002 National Survey of Family Growth. 2007.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.