University of Washington, Henderson, L. F., & Gage, S. (1999). Spokane area botanical collections made by Louis F. Henderson, May-July, 1892: (specimens housed at the University of Washington Herbarium).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)University of Washington, Louis F. Henderson, و Sarah Gage. Spokane Area Botanical Collections Made by Louis F. Henderson, May-July, 1892: (specimens Housed at the University of Washington Herbarium). 1999.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)University of Washington, et al. Spokane Area Botanical Collections Made by Louis F. Henderson, May-July, 1892: (specimens Housed at the University of Washington Herbarium). 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.