APA (7th ed.) Citation

COWARD, British Columbia , M. o. F., & Canada , F. C. (1977). Tree book: Learning to recognize trees of British Columbia. Forest Service Informatiom Division.

Chicago Style (17th ed.) Citation

COWARD, Ministry of Forests British Columbia , and Forestry Canada Canada. Tree Book: Learning to Recognize Trees of British Columbia. Victoria, B. C>, Canada: Forest Service Informatiom Division, 1977.

MLA (9th ed.) Citation

COWARD, et al. Tree Book: Learning to Recognize Trees of British Columbia. Forest Service Informatiom Division, 1977.