Hough, R. B. (1888). The American woods: Exhibited by actual specimens and with copious explanatory text (Parts II-III, 2nd edition.). Pub., and sections prepared by the author.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hough, Romeyn Beck. The American Woods: Exhibited by Actual Specimens and with Copious Explanatory Text. Parts II-III, 2nd edition. Lowville, N.Y.: Pub., and sections prepared by the author, 1888.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hough, Romeyn Beck. The American Woods: Exhibited by Actual Specimens and with Copious Explanatory Text. Parts II-III, 2nd edition. Pub., and sections prepared by the author, 1888.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.