Style de citation APA

Worcester, P. G. (1948). Textbook of geomorphology (2nd ed.). Van Nostrand Reinhold Company.

Style de citation Chicago

Worcester, Philip G. Textbook of Geomorphology. 2nd ed. New York: Van Nostrand Reinhold Company, 1948.

Style de citation MLA

Worcester, Philip G. Textbook of Geomorphology. 2nd ed. Van Nostrand Reinhold Company, 1948.