Cita APA (7th ed.)

(1964). Doors to more mature reading: Detailed notes on adult books for use with young people. American Library Association.

Cita Chicago (17th ed.)

Doors to More Mature Reading: Detailed Notes on Adult Books for Use with Young People. Chicago: American Library Association, 1964.

Cita MLA (9th ed.)

Doors to More Mature Reading: Detailed Notes on Adult Books for Use with Young People. American Library Association, 1964.