APA (7th ed.) Citation

Ohlsen, M. M., & Spalding Willard B. (1955). Guidance, an introduction. Harcourt Brace.

Chicago Style (17th ed.) Citation

Ohlsen, Merle M., and Spalding Willard B. Guidance, an Introduction. New York: Harcourt Brace, 1955.

MLA (9th ed.) Citation

Ohlsen, Merle M., and Spalding Willard B. Guidance, an Introduction. Harcourt Brace, 1955.