APA (7th ed.) Citation

Washburne, R. (1972). Visitor response to interpretive facilities at five visitor centers. [publisher not identified].

Chicago Style (17th ed.) Citation

Washburne, Randel. Visitor Response to Interpretive Facilities at Five Visitor Centers. [Place of publication not identified]: [publisher not identified], 1972.

MLA (9th ed.) Citation

Washburne, Randel. Visitor Response to Interpretive Facilities at Five Visitor Centers. [publisher not identified], 1972.