APA (7th ed.) Citation

Steckle, L. C. (1957). Problems of human adjustment (Rev. ed.). Harper.

Chicago Style (17th ed.) Citation

Steckle, Lynde C. Problems of Human Adjustment. Rev. ed. New York: Harper, 1957.

MLA (9th ed.) Citation

Steckle, Lynde C. Problems of Human Adjustment. Rev. ed. Harper, 1957.