Cita APA (7th ed.)

Robert A. Hatcher & 1937-. (1980). Contraceptive technology, 1980-1981 (10th rev. ed.). Irvington Publishers.

Cita Chicago (17th ed.)

Robert A. Hatcher i 1937-. Contraceptive Technology, 1980-1981. 10th rev. ed. New York: Irvington Publishers, 1980.

Cita MLA (8th ed.)

Robert A. Hatcher i 1937-. Contraceptive Technology, 1980-1981. 10th rev. ed. Irvington Publishers, 1980.