APA (7th ed.) Citation

Recknagel, A. B. (1923). The forests of New York state. Macmillan.

Chicago Style (17th ed.) Citation

Recknagel, A. B. The Forests of New York State. New York: Macmillan, 1923.

MLA (9th ed.) Citation

Recknagel, A. B. The Forests of New York State. Macmillan, 1923.