Halfacre, R. G., & Barden, J. A. (1979). Horticulture. McGraw-Hill.
Chicago Style (17th ed.) CitationHalfacre, R. Gordon, and John A. Barden. Horticulture. New York: McGraw-Hill, 1979.
MLA (9th ed.) CitationHalfacre, R. Gordon, and John A. Barden. Horticulture. McGraw-Hill, 1979.
Warning: These citations may not always be 100% accurate.