Cita APA (7th ed.)

Corbet, J. H. (2008). Landforms laboratory manual: A customized version of physical geography manual (Sixth edition.).

Cita Chicago (17th ed.)

Corbet, John H. Landforms Laboratory Manual: A Customized Version of Physical Geography Manual. Sixth edition. Duboque, Iowa : Kendall/Hunt Publishing Company, 2008.

Cita MLA (9th ed.)

Corbet, John H. Landforms Laboratory Manual: A Customized Version of Physical Geography Manual. Sixth edition. 2008.