APA (7th ed.) Citation

Kuhlen, R. G. (1952). Psychological studies of human development. Appleton-Century-Crofts.

Chicago Style (17th ed.) Citation

Kuhlen, Raymond G. Psychological Studies of Human Development. New York: Appleton-Century-Crofts, 1952.

MLA (9th ed.) Citation

Kuhlen, Raymond G. Psychological Studies of Human Development. Appleton-Century-Crofts, 1952.

Warning: These citations may not always be 100% accurate.