Apple, S. B. (1936). Fruit bud differentiation and fruiting habits of certain varieties of citrus. [publisher not identified].
Chicago Style (17th ed.) CitationApple, Spencer Butler. Fruit Bud Differentiation and Fruiting Habits of Certain Varieties of Citrus. [Place of publication not identified]: [publisher not identified], 1936.
MLA (9th ed.) CitationApple, Spencer Butler. Fruit Bud Differentiation and Fruiting Habits of Certain Varieties of Citrus. [publisher not identified], 1936.
Warning: These citations may not always be 100% accurate.