APA (7th ed.) Citation

Brown, H. P. (1938). Trees of northeastern United States: Native and naturalized (Rev. and enl. ed.). The Christopher publishing house.

Chicago Style (17th ed.) Citation

Brown, Harry Philip. Trees of Northeastern United States: Native and Naturalized. Rev. and enl. ed. Boston: The Christopher publishing house, 1938.

MLA (9th ed.) Citation

Brown, Harry Philip. Trees of Northeastern United States: Native and Naturalized. Rev. and enl. ed. The Christopher publishing house, 1938.