Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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