Cita APA (7a ed.)

Littell, M. (2008). McDougal Littell economics: Concepts and choices. McDougal Littell.

Cita Chicago Style (17a ed.)

Littell, McDougal. McDougal Littell Economics: Concepts and Choices. Evanston, Ill.: McDougal Littell, 2008.

Cita MLA (9a ed.)

Littell, McDougal. McDougal Littell Economics: Concepts and Choices. McDougal Littell, 2008.