Cita APA

Bruce, J., & Bruce Schearer, S. Contraceptives and common sense: Conventional methods reconsidered / Judith Bruce, S. Bruce Schearer. New York : The Population Council.

Citación estilo Chicago

Bruce, Judith, y S. Bruce Schearer. Contraceptives and Common Sense: Conventional Methods Reconsidered / Judith Bruce, S. Bruce Schearer. New York : The Population Council.

Cita MLA

Bruce, Judith, y S. Bruce Schearer. Contraceptives and Common Sense: Conventional Methods Reconsidered / Judith Bruce, S. Bruce Schearer. New York : The Population Council.