APA (7th ed.) Citation

Keeler, H. (1903). Our northern shrubs and how to identify them: A handbook for the nature lover. Charles Scribner's Sons.

Chicago Style (17th ed.) Citation

Keeler, H.L. Our Northern Shrubs and How to Identify Them: A Handbook for the Nature Lover. New York: Charles Scribner's Sons, 1903.

MLA (9th ed.) Citation

Keeler, H.L. Our Northern Shrubs and How to Identify Them: A Handbook for the Nature Lover. Charles Scribner's Sons, 1903.