Cita APA

Sciarra, J. J., Spedel, J. J., & Zatuchni, G. (1979). Pregnancy termination: Procedures, safety, and new developments. New York: Harper & Row.

Citación estilo Chicago

Sciarra, John J., J. Joseph Spedel, y Gerald Zatuchni. Pregnancy Termination: Procedures, Safety, and New Developments. New York: Harper & Row, 1979.

Cita MLA

Sciarra, John J., J. Joseph Spedel, y Gerald Zatuchni. Pregnancy Termination: Procedures, Safety, and New Developments. New York: Harper & Row, 1979.