APA-referens

Butler, R. W. e., & Russell, R. A. e. b. (2010). Giants of tourism. CABI.

Chicago-stil citat

Butler, Richard W; ed, och Roslyn A; ed. by Russell. Giants of Tourism. Oxford: CABI, 2010.

MLA-referens

Butler, Richard W; ed, och Roslyn A; ed. by Russell. Giants of Tourism. CABI, 2010.