APA (7e ed.) Bronvermelding

Little, E. L. (1979). Forest trees of the United States and Canada: And how to identify them. Dover.

Chicago (17e ed.) Bronvermelding

Little, Elbert Luther. Forest Trees of the United States and Canada: And How to Identify Them. Nueva York: Dover, 1979.

MLA (9e ed.) Bronvermelding

Little, Elbert Luther. Forest Trees of the United States and Canada: And How to Identify Them. Dover, 1979.