Cita APA

Schumann, E. A. (1931). Extra-uterine pregnancy. Appleton.

Citación estilo Chicago

Schumann, Edward Armin. Extra-uterine Pregnancy. New York: Appleton, 1931.

Cita MLA

Schumann, Edward Armin. Extra-uterine Pregnancy. Appleton, 1931.

Warning: These citations may not always be 100% accurate.