APA (7th ed.) Zitazioa

Gilbert, G. T., Krusemeyer, M. I., & Larson, L. C. (1993). The Wohascum county problem book. The Mathematical Association of America.

Chicago Style (17th ed.) Zitazioa

Gilbert, George Thomas, Mark I. Krusemeyer, eta Loren C. Larson. The Wohascum County Problem Book. Washington, D.C: The Mathematical Association of America, 1993.

MLA (9th ed.) Zitazioa

Gilbert, George Thomas, et al. The Wohascum County Problem Book. The Mathematical Association of America, 1993.