APA (7th ed.) Citation

Gwinner, R. F. (1977). Marketing: An environmental perspectives. West Pub.

Chicago Style (17th ed.) Citation

Gwinner, Robert F. Marketing: An Environmental Perspectives. St. Paul: West Pub, 1977.

MLA (9th ed.) Citation

Gwinner, Robert F. Marketing: An Environmental Perspectives. West Pub, 1977.