Cita APA (7a ed.)

Summers, J. L., & Campbell, E. J. (2007). Food labeling compliance review (4th ed.). Blackwell Pub.

Cita Chicago Style (17a ed.)

Summers, James L., y Elizabeth J. Campbell. Food Labeling Compliance Review. 4th ed. Ames, Iowa: Blackwell Pub, 2007.

Cita MLA (9a ed.)

Summers, James L., y Elizabeth J. Campbell. Food Labeling Compliance Review. 4th ed. Blackwell Pub, 2007.