Cita APA (7th ed.)

Lobeck, A. K. (1939). Geomorphology, an introduction to the study of landscapes. McGraw-Hill book company.

Cita Chicago (17th ed.)

Lobeck, Armin Kohl. Geomorphology, an Introduction to the Study of Landscapes. New York: McGraw-Hill book company, 1939.

Cita MLA (9th ed.)

Lobeck, Armin Kohl. Geomorphology, an Introduction to the Study of Landscapes. McGraw-Hill book company, 1939.