APA (7th ed.) Citation

Johnson, R. I., McGregor, A. L., & Gunn, M. A. (1943). You and your English. Ginn and Co..

Chicago Style (17th ed.) Citation

Johnson, Roy Ivan, A. Laura McGregor, and M. Agnella Gunn. You and Your English. Boston : New York [etc.]: Ginn and Co., 1943.

MLA (8th ed.) Citation

Johnson, Roy Ivan, et al. You and Your English. Ginn and Co., 1943.