APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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