APA (7th ed.) Citation

Gunn, C. A. (1965). A concept for the design of a tourism-recreation region. [publisher not identified].

Chicago Style (17th ed.) Citation

Gunn, Clare A. A Concept for the Design of a Tourism-recreation Region. [Place of publication not identified]: [publisher not identified], 1965.

MLA (9th ed.) Citation

Gunn, Clare A. A Concept for the Design of a Tourism-recreation Region. [publisher not identified], 1965.