APA

Coggins C., . (1998). A study of women's preferences regarding the formulation of over-the-counter vaginal spermicides. New York, NY (One Dag Hammarsjold Plaza, New York 10017 USA): Population Council, Robert H. Ebert Program on Critical Issues in Reproductive Health.

Chicago

Coggins Christiana, . 1998. A study of women's preferences regarding the formulation of over-the-counter vaginal spermicides. New York, NY (One Dag Hammarsjold Plaza, New York 10017 USA): Population Council, Robert H. Ebert Program on Critical Issues in Reproductive Health.

Harvard

Coggins C., . (1998). A study of women's preferences regarding the formulation of over-the-counter vaginal spermicides. New York, NY (One Dag Hammarsjold Plaza, New York 10017 USA): Population Council, Robert H. Ebert Program on Critical Issues in Reproductive Health.

MLA

Coggins Christiana, . A study of women's preferences regarding the formulation of over-the-counter vaginal spermicides. New York, NY (One Dag Hammarsjold Plaza, New York 10017 USA): Population Council, Robert H. Ebert Program on Critical Issues in Reproductive Health. 1998.