APA (7th ed.) Citation

American Horticultural Society & Barrett, T. M. (1992). North American horticulture: A reference guide (2nd ed.). Macmillan ; Maxwell Macmillan Canada ; Maxwell Macmillan International.

Chicago Style (17th ed.) Citation

American Horticultural Society and Thomas M. Barrett. North American Horticulture: A Reference Guide. 2nd ed. New York : Toronto : New York: Macmillan ; Maxwell Macmillan Canada ; Maxwell Macmillan International, 1992.

MLA (9th ed.) Citation

American Horticultural Society and Thomas M. Barrett. North American Horticulture: A Reference Guide. 2nd ed. Macmillan ; Maxwell Macmillan Canada ; Maxwell Macmillan International, 1992.