APA (7th ed.) Citation

Warfel, H. R., Mathews, E. G. j. a., & Bushman, J. C. 1. . . . j. a. (1949). American college English, a handbook of usage and composition. American Book Co.

Chicago Style (17th ed.) Citation

Warfel, Harry Redcay, Ernst Garland joint author Mathews, and John Conrad 1914- joint author Bushman. American College English, a Handbook of Usage and Composition. New York: American Book Co, 1949.

MLA (9th ed.) Citation

Warfel, Harry Redcay, et al. American College English, a Handbook of Usage and Composition. American Book Co, 1949.

Warning: These citations may not always be 100% accurate.