Cita APA (7th ed.)

Hatcher A., R. (1997). The Essentials of Contraceptive Technology; A Handbook for Clinic Staff. Population Information Program.

Cita Chicago (17th ed.)

Hatcher A., Robert. The Essentials of Contraceptive Technology; A Handbook for Clinic Staff. Baltimore: Population Information Program, 1997.

Cita MLA (9th ed.)

Hatcher A., Robert. The Essentials of Contraceptive Technology; A Handbook for Clinic Staff. Population Information Program, 1997.