Cita APA (7a ed.)

Sloane, R. B., & Horvitz, D. F. (1973). An general guide to abortion. Nelson Hall.

Cita Chicago Style (17a ed.)

Sloane, Robert Bruce, y Diana Frank Horvitz. An General Guide to Abortion. Chicago: Nelson Hall, 1973.

Cita MLA (9a ed.)

Sloane, Robert Bruce, y Diana Frank Horvitz. An General Guide to Abortion. Nelson Hall, 1973.