APA (7th ed.) Citation

Solop, F. I., Hagen, K. K., Ostergren, D., & Social Science Program (U.S.). (2003). National Park Service fees: An examination of public attitudes technical report. NPS Social Science Program.

Chicago Style (17th ed.) Citation

Solop, Frederic I., Kristi K. Hagen, David Ostergren, and Social Science Program (U.S.). National Park Service Fees: An Examination of Public Attitudes Technical Report. [Washington, D.C.]: NPS Social Science Program, 2003.

MLA (8th ed.) Citation

Solop, Frederic I., et al. National Park Service Fees: An Examination of Public Attitudes Technical Report. NPS Social Science Program, 2003.