Cita APA

Nortman, D. L., & Hofstatter, E. (1978). Population and family planning programs (9. edition.). New York: A Population Council Fact Book.

Citación estilo Chicago

Nortman, Dorothy L., y Ellen Hofstatter. Population and Family Planning Programs. 9. edition. New York: A Population Council Fact Book, 1978.

Cita MLA

Nortman, Dorothy L., y Ellen Hofstatter. Population and Family Planning Programs. 9. edition. New York: A Population Council Fact Book, 1978.