APA (7th ed.) Citation

Monell, C. M., Stuart, G., & McKay, D. (1985). Ward Ritchie at eighty. [Ward Ritchie?].

Chicago Style (17th ed.) Citation

Monell, Charles M., Gloria Stuart, and Donald McKay. Ward Ritchie at Eighty. [Los Angeles]: [Ward Ritchie?], 1985.

MLA (9th ed.) Citation

Monell, Charles M., et al. Ward Ritchie at Eighty. [Ward Ritchie?], 1985.