Cita APA (7th ed.)

Schuster, M. L. (1940). A treasury of the world's great letters. Simon and Schuster.

Cita Chicago (17th ed.)

Schuster, M. Lincoln. A Treasury of the World's Great Letters. New York, Estados Unidos: Simon and Schuster, 1940.

Cita MLA (9th ed.)

Schuster, M. Lincoln. A Treasury of the World's Great Letters. Simon and Schuster, 1940.