Cita APA (7th ed.)

Pirtle, W. G., & Grant, J. J. (1972). The social sciences: An integrated approach. Random House.

Cita Chicago (17th ed.)

Pirtle, Wayne G., i John J. Grant. The Social Sciences: An Integrated Approach. New York: Random House, 1972.

Cita MLA (9th ed.)

Pirtle, Wayne G., i John J. Grant. The Social Sciences: An Integrated Approach. Random House, 1972.