APA-Zitierstil (7. Ausg.)

Worcester, P. G. (1969). Textbook of geomorphology (2nd ed.). Van Nostrand.

Chicago-Zitierstil (17. Ausg.)

Worcester, Philip G. Textbook of Geomorphology. 2nd ed. New york: Van Nostrand, 1969.

MLA-Zitierstil (9. Ausg.)

Worcester, Philip G. Textbook of Geomorphology. 2nd ed. Van Nostrand, 1969.