APA (7th ed.) Citation

Kim, S., Maggio, R. C., McNamara, J. F., Van Doren, C. S., & Westphal, J. M. (1988). Evaluating spatial structure effects in recreation travel using a gravity-type model.

Chicago Style (17th ed.) Citation

Kim, Seong-Il, Robert C. Maggio, James F. McNamara, Carlton S. Van Doren, and Joanne M. Westphal. Evaluating Spatial Structure Effects in Recreation Travel Using a Gravity-type Model. 1988.

MLA (9th ed.) Citation

Kim, Seong-Il, et al. Evaluating Spatial Structure Effects in Recreation Travel Using a Gravity-type Model. 1988.