Cita APA (7th ed.)

Clayton,, S. G. (1967). A Pocket Obstetrics (6th ed.). J.& A. Churchill.

Cita Chicago (17th ed.)

Clayton,, Stanley G. A Pocket Obstetrics. 6th ed. London: J.& A. Churchill, 1967.

Cita MLA (9th ed.)

Clayton,, Stanley G. A Pocket Obstetrics. 6th ed. J.& A. Churchill, 1967.