APA

Prentice W. E., . (2012). Get fit, stay fit. New York: McGraw-Hill Companies, Inc.

Chicago

Prentice William E, . 2012. Get fit, stay fit. New York: McGraw-Hill Companies, Inc.

Harvard

Prentice W. E., . (2012). Get fit, stay fit. New York: McGraw-Hill Companies, Inc.

MLA

Prentice William E, . Get fit, stay fit. New York: McGraw-Hill Companies, Inc. 2012.