APA (7th ed.) Citation

Halsey, W. D., Morris, C. G., Leder, D., Adams, A., & Hamberger, J. (1977). The Magic world of words: A very first dictionary. Macmillan.

Chicago Style (17th ed.) Citation

Halsey, William Darrach, Christopher G. Morris, Dora Leder, Angela Adams, and John Hamberger. The Magic World of Words: A Very First Dictionary. New York: Macmillan, 1977.

MLA (9th ed.) Citation

Halsey, William Darrach, et al. The Magic World of Words: A Very First Dictionary. Macmillan, 1977.