Cita APA (7a ed.)

Buckley, H. J. (1924). The science of marketing by mail. Forbes.

Cita Chicago Style (17a ed.)

Buckley, Homer J. The Science of Marketing by Mail. New York: Forbes, 1924.

Cita MLA (8a ed.)

Buckley, Homer J. The Science of Marketing by Mail. Forbes, 1924.