APA (7a ed.)

Guthrie, D., Hoenig, J. M., Holliday, M., Jones, C. M., Mills, M. J., Moberly, S. a., Pollock, K. H., & Talhelm, D. R. (1990). Creel and angler surveys in fisheries management. American Fisheries Society Symposium 12. Proceedings of the International Symposium and Workshop on Creel and Angler Surveys in Fisheries Management.