Cita APA (7th ed.)

(1931). The Playthings Directory of the Toy Industry 1931. McCready Publishing Company.

Cita Chicago (17th ed.)

The Playthings Directory of the Toy Industry 1931. New York: McCready Publishing Company, 1931.

Cita MLA (8th ed.)

The Playthings Directory of the Toy Industry 1931. McCready Publishing Company, 1931.