Cita APA

McCorkle, P. n. 1., & McCorkle, P. n. 1. (1956). The physical wolrd (2. edition.). New York, New York: McGraw-Hill.

Citación estilo Chicago

McCorkle, Paul n. 1890, y Paul n. 1890 McCorkle. The Physical Wolrd. 2. edition. New York, New York: McGraw-Hill, 1956.

Cita MLA

McCorkle, Paul n. 1890, y Paul n. 1890 McCorkle. The Physical Wolrd. 2. edition. New York, New York: McGraw-Hill, 1956.