APA (7th ed.) Citation

Hanford, J. H., McLeod, M., & Knowlton, E. C. (1931). The Nelson handbook of English. T. Nelson and Sons.

Chicago Style (17th ed.) Citation

Hanford, James Holly, Malcolm McLeod, and Edgar C. Knowlton. The Nelson Handbook of English. New York: T. Nelson and Sons, 1931.

MLA (8th ed.) Citation

Hanford, James Holly, et al. The Nelson Handbook of English. T. Nelson and Sons, 1931.