Cita APA (7th ed.)

Gale, S. J. (1991). Quaternary sediments: Petrographic methods for the study of unlithified rocks. Wiley.

Cita Chicago (17th ed.)

Gale, Stephen J. Quaternary Sediments: Petrographic Methods for the Study of Unlithified Rocks. New York: Wiley, 1991.

Cita MLA (9th ed.)

Gale, Stephen J. Quaternary Sediments: Petrographic Methods for the Study of Unlithified Rocks. Wiley, 1991.