APA Alıntı

Vessey, M. P., Doll, R., Peto, R., & Redman, C. W. (1973). Prospective study of women using different methods of contraception.

Chicago Stili Alıntı

Vessey, M P., R. Doll, R. Peto, ve C W. Redman. Prospective Study of Women Using Different Methods of Contraception. 1973.

MLA Alıntı

Vessey, M P., R. Doll, R. Peto, ve C W. Redman. Prospective Study of Women Using Different Methods of Contraception. 1973.