APA (7th ed.) Citation

Snyder, W. U., Carmichael, L., & Rogers, C. R. (1947). Casebook of non-directive counseling. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Snyder, William U., Leonard Carmichael, and Carl Ransom Rogers. Casebook of Non-directive Counseling. [Boston]: Houghton Mifflin, 1947.

MLA (9th ed.) Citation

Snyder, William U., et al. Casebook of Non-directive Counseling. Houghton Mifflin, 1947.