Cita APA (7th ed.)

Farrell, P., & Lundergren, H. M. (1983). The process of recreation programming: Theory and technique (2nd ed.). Macmillan Publishing.

Cita Chicago (17th ed.)

Farrell, Patricia, i Herberta M. Lundergren. The Process of Recreation Programming: Theory and Technique. 2nd ed. New York: Macmillan Publishing, 1983.

Cita MLA (9th ed.)

Farrell, Patricia, i Herberta M. Lundergren. The Process of Recreation Programming: Theory and Technique. 2nd ed. Macmillan Publishing, 1983.