Cita APA (7a ed.)

Hidore, J. J., & Roberts, M. C. (1990). Physical geography: A laboratory manual (4th ed.). Macmillan.

Cita Chicago Style (17a ed.)

Hidore, John J., y Michael C. Roberts. Physical Geography: A Laboratory Manual. 4th ed. New York: Macmillan, 1990.

Cita MLA (8a ed.)

Hidore, John J., y Michael C. Roberts. Physical Geography: A Laboratory Manual. 4th ed. Macmillan, 1990.