Cita APA (7th ed.)

Van, V., & Stoiz, C. L. (1963). Elements of political geography (2nd ed.). Prentice-Hall of India.

Cita Chicago (17th ed.)

Van, Valkenburg, i Carl L. Stoiz. Elements of Political Geography. 2nd ed. New Delhi: Prentice-Hall of India, 1963.

Cita MLA (9th ed.)

Van, Valkenburg, i Carl L. Stoiz. Elements of Political Geography. 2nd ed. Prentice-Hall of India, 1963.