Cita APA (7th ed.)

Dury, G. H. (1966). Essays in geomorphology. American Elsevier Pub.

Cita Chicago (17th ed.)

Dury, G. H. Essays in Geomorphology. New York: American Elsevier Pub, 1966.

Cita MLA (9th ed.)

Dury, G. H. Essays in Geomorphology. American Elsevier Pub, 1966.