Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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