APA-Zitierstil (7. Ausg.)

Zook, G. F., & Capen, S. P. (1921). Opportunities for study at American graduate schools.

Chicago-Zitierstil (17. Ausg.)

Zook, George F., und Samuel Paul Capen. Opportunities for Study at American Graduate Schools. Washington, 1921.

MLA-Zitierstil (9. Ausg.)

Zook, George F., und Samuel Paul Capen. Opportunities for Study at American Graduate Schools. 1921.