Cita APA (7th ed.)

Nortman, D., & Hofstatter, E. (1978). Population and family planning programs. Population Council.

Cita Chicago (17th ed.)

Nortman, Dorothy, i Ellen Hofstatter. Population and Family Planning Programs. New York: Population Council, 1978.

Cita MLA (9th ed.)

Nortman, Dorothy, i Ellen Hofstatter. Population and Family Planning Programs. Population Council, 1978.