APA (7th ed.) Citation

Christopher, E. P. (1958). Introductory horticulture. McGraw-Hill.

Chicago Style (17th ed.) Citation

Christopher, Everett P. Introductory Horticulture. New York: McGraw-Hill, 1958.

MLA (9th ed.) Citation

Christopher, Everett P. Introductory Horticulture. McGraw-Hill, 1958.