Cita APA

Leet, L. D. n. 1., & Leet, L. D. n. 1. (1971). Physical geology (4. edition.). Englewood Cliffs, N.J.: Prentice Hall.

Citación estilo Chicago

Leet, Lewis Don n. 1901, y Lewis Don n. 1901 Leet. Physical Geology. 4. edition. Englewood Cliffs, N.J.: Prentice Hall, 1971.

Cita MLA

Leet, Lewis Don n. 1901, y Lewis Don n. 1901 Leet. Physical Geology. 4. edition. Englewood Cliffs, N.J.: Prentice Hall, 1971.