APA

Warfel H. R., Mathews E. G. & Bushman J. C. (1949). American college English: a handbook of usage and composition. New York: American Book Co.

Chicago

Warfel Harry Redcay, Mathews Ernst Garland and Bushman John C. 1949. American college English: a handbook of usage and composition. New York: American Book Co.

Harvard

Warfel H. R., Mathews E. G. and Bushman J. C. (1949). American college English: a handbook of usage and composition. New York: American Book Co.

MLA

Warfel Harry Redcay, Mathews Ernst Garland and Bushman John C. American college English: a handbook of usage and composition. New York: American Book Co. 1949.