Cita APA (7a ed.)

National Underwriter Company. (2004). National underwriter. National Underwriter Co..

Cita Chicago Style (17a ed.)

National Underwriter Company. National Underwriter. Erlanger, KY: National Underwriter Co., 2004.

Cita MLA (8a ed.)

National Underwriter Company. National Underwriter. National Underwriter Co., 2004.