Cita APA (7a ed.)

Feyisetan, B. J., & Ainsworth, M. (1994). Contraceptive use and the quality, price and availability of family planning in Nigeria. World Bank.

Cita Chicago Style (17a ed.)

Feyisetan, Bamikale J., y Martha Ainsworth. Contraceptive Use and the Quality, Price and Availability of Family Planning in Nigeria. Washington, D.C: World Bank, 1994.

Cita MLA (9a ed.)

Feyisetan, Bamikale J., y Martha Ainsworth. Contraceptive Use and the Quality, Price and Availability of Family Planning in Nigeria. World Bank, 1994.