Cita APA (7a ed.)

Willing, J. Willing's press guide and advertisers' directory and handbook. J. Willing.

Cita Chicago Style (17a ed.)

Willing, James. Willing's Press Guide and Advertisers' Directory and Handbook. London: J. Willing.

Cita MLA (8a ed.)

Willing, James. Willing's Press Guide and Advertisers' Directory and Handbook. J. Willing.