APA (7th ed.) Citation

Berne, E. (1972). What do you say after you say hello? Corgi Books.

Chicago Style (17th ed.) Citation

Berne, Eric. What Do You Say After You Say Hello? London: Corgi Books, 1972.

MLA (9th ed.) Citation

Berne, Eric. What Do You Say After You Say Hello? Corgi Books, 1972.

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