APA (7th ed.) Citation

Terrel, R. L. (1961). A classification and glossary of land forms and parent materials: Final report. Purdue University.

Chicago Style (17th ed.) Citation

Terrel, Ronald Lee. A Classification and Glossary of Land Forms and Parent Materials: Final Report. Lafayette: Purdue University, 1961.

MLA (9th ed.) Citation

Terrel, Ronald Lee. A Classification and Glossary of Land Forms and Parent Materials: Final Report. Purdue University, 1961.