APA (7th ed.) Citation

Sheppard, V. A. (2005). Ethics, tourists and the environmental practices of the North American cruise ship industry: A comparison study of the ethical standards of Alaskan and Caribbean cruise ship tourists. [publisher not identified].

Chicago Style (17th ed.) Citation

Sheppard, Valerie A. Ethics, Tourists and the Environmental Practices of the North American Cruise Ship Industry: A Comparison Study of the Ethical Standards of Alaskan and Caribbean Cruise Ship Tourists. [Place of publication not identified]: [publisher not identified], 2005.

MLA (9th ed.) Citation

Sheppard, Valerie A. Ethics, Tourists and the Environmental Practices of the North American Cruise Ship Industry: A Comparison Study of the Ethical Standards of Alaskan and Caribbean Cruise Ship Tourists. [publisher not identified], 2005.