APA (7th ed.) Citation

Perrin, P. G., Dykema, K. W., & Ebbitt, W. R. (1965). An index to English (4th ed. rev.). Scott, Foresman.

Chicago Style (17th ed.) Citation

Perrin, Porter Gale, Karl W. Dykema, and Wilma R. Ebbitt. An Index to English. 4th ed. rev. Glenview, Ill.: Scott, Foresman, 1965.

MLA (9th ed.) Citation

Perrin, Porter Gale, et al. An Index to English. 4th ed. rev. Scott, Foresman, 1965.