APA (7th ed.) Citation

Berne, E. (1968). The happy valley / by Eric Berne. Grove Press.

Chicago Style (17th ed.) Citation

Berne, Eric. The Happy Valley / by Eric Berne. New York: Grove Press, 1968.

MLA (9th ed.) Citation

Berne, Eric. The Happy Valley / by Eric Berne. Grove Press, 1968.

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