APA (7th ed.) Citation

Laird, D. A. (1952). Increasing personal efficiency: The psychology of personal progress (4th ed.). Harper.

Chicago Style (17th ed.) Citation

Laird, Donald Anderson. Increasing Personal Efficiency: The Psychology of Personal Progress. 4th ed. New York: Harper, 1952.

MLA (9th ed.) Citation

Laird, Donald Anderson. Increasing Personal Efficiency: The Psychology of Personal Progress. 4th ed. Harper, 1952.