Cita APA (7a ed.)

Lundberg, D. E. (1990). The tourist business (6th ed.). Van Nostrand Reinhold.

Cita Chicago Style (17a ed.)

Lundberg, Donald E. The Tourist Business. 6th ed. New York: Van Nostrand Reinhold, 1990.

Cita MLA (8a ed.)

Lundberg, Donald E. The Tourist Business. 6th ed. Van Nostrand Reinhold, 1990.

Precaución: Estas citas no son 100% exactas.