Cita APA (7th ed.)

Stepan, J., & Kellog, E. H. (1974). Comparative study of world law on contraceptives. Interndisciplinary Communications Programs, Smithsonian Institution.

Cita Chicago (17th ed.)

Stepan, Jan, i Edmund Halsey Kellog. Comparative Study of World Law on Contraceptives. Washington: Interndisciplinary Communications Programs, Smithsonian Institution, 1974.

Cita MLA (9th ed.)

Stepan, Jan, i Edmund Halsey Kellog. Comparative Study of World Law on Contraceptives. Interndisciplinary Communications Programs, Smithsonian Institution, 1974.