APA Style

Ludman, Allan, Coch, Nicholas K.. (1982). Physical Geology . New York: Mc-Graw-Hill Book Company.

Chicago Style

Ludman, Allan, Coch, Nicholas K.. Physical Geology. New York: Mc-Graw-Hill Book Company, 1982. Text.

MLA Style

Ludman, Allan, Coch, Nicholas K.. Physical Geology. New York: Mc-Graw-Hill Book Company, 1982. Text.

Turabian Style

Ludman, Allan, Coch, Nicholas K.. Physical Geology. New York: Mc-Graw-Hill Book Company, 1982. Print.