APA

Davis L. S., Johnson K. N. & Davis K. P. (1987). Forest management. New York: McGraw-Hill.

Chicago

Davis Lawrence S, Johnson K Norman and Davis Kenneth P. 1987. Forest management. New York: McGraw-Hill.

Harvard

Davis L. S., Johnson K. N. and Davis K. P. (1987). Forest management. New York: McGraw-Hill.

MLA

Davis Lawrence S, Johnson K Norman and Davis Kenneth P. Forest management. New York: McGraw-Hill. 1987.