Cita APA (7th ed.)

Charlotte, Q., & Edited by Tomkinson, J. S. (1970). Textbook of obstetrics (12th ed.). J, & A, Churchill.

Cita Chicago (17th ed.)

Charlotte, Queen, i J. S. Edited by Tomkinson. Textbook of Obstetrics. 12th ed. London: J, & A, Churchill, 1970.

Cita MLA (9th ed.)

Charlotte, Queen, i J. S. Edited by Tomkinson. Textbook of Obstetrics. 12th ed. J, & A, Churchill, 1970.

Atenció: Aquestes cites poden no estar 100% correctes.