Cita APA (7a ed.)

DeGraaf, D. G., Jordan, D. J., & DeGraaf, K. H. (1999). Programming for parks, recreation, and leisure services: A servant leadership approach. Venture.

Cita Chicago Style (17a ed.)

DeGraaf, Donald G., Debra J. Jordan, y Kathy H. DeGraaf. Programming for Parks, Recreation, and Leisure Services: A Servant Leadership Approach. State College, Pennsylvania: Venture, 1999.

Cita MLA (9a ed.)

DeGraaf, Donald G., et al. Programming for Parks, Recreation, and Leisure Services: A Servant Leadership Approach. Venture, 1999.