APA (7th ed.) Citation

Frasier, G. W., MacCracken, H. D., & Decker, D. G. (1955). Solving problems. L.W. Singer.

Chicago Style (17th ed.) Citation

Frasier, George Willard, Helen Dolman MacCracken, and Donald Gilmore Decker. Solving Problems. Syracuse: L.W. Singer, 1955.

MLA (9th ed.) Citation

Frasier, George Willard, et al. Solving Problems. L.W. Singer, 1955.