Apgar, A. C. (1892). Tress of the Northern United States - Their Study, description and determination for the use of schools and private students. New York: American Book Company.
Chicago Style CitationApgar, Austin C. Tress of the Northern United States - Their Study, Description and Determination for the Use of Schools and Private Students. New York: American Book Company, 1892.
MLA CitationApgar, Austin C. Tress of the Northern United States - Their Study, Description and Determination for the Use of Schools and Private Students. New York: American Book Company, 1892.
Warning: These citations may not always be 100% accurate.