APA

Bruce D., Schumacher F. X., . (1950). Forest mensuration. New York: McGraw-Hill.

Chicago

Bruce Donald, Schumacher F X, . 1950. Forest mensuration. New York: McGraw-Hill.

Harvard

Bruce D., Schumacher F. X., . (1950). Forest mensuration. New York: McGraw-Hill.

MLA

Bruce Donald, Schumacher F X, . Forest mensuration. New York: McGraw-Hill. 1950.