APA

Harlow W. M., Harrrar E. S., Hardin J. W. & White F. M. (1991). Textbook of Dendrology. Covering the important forest trees of the United States and Canada. New York: McGraw-Hill, Inc.

Chicago

Harlow W M, Harrrar E S, Hardin J W and White F M. 1991. Textbook of Dendrology. Covering the important forest trees of the United States and Canada. New York: McGraw-Hill, Inc.

Harvard

Harlow W. M., Harrrar E. S., Hardin J. W. and White F. M. (1991). Textbook of Dendrology. Covering the important forest trees of the United States and Canada. New York: McGraw-Hill, Inc.

MLA

Harlow W M, Harrrar E S, Hardin J W and White F M. Textbook of Dendrology. Covering the important forest trees of the United States and Canada. New York: McGraw-Hill, Inc. 1991.