Bold, H. C. (1970). The plant kingdom (3rd ed.). Prentice-Hall.
Chicago Style (17th ed.) CitationBold, Harold Charles. The Plant Kingdom. 3rd ed. Englewood Cliffs, New Jersey: Prentice-Hall, 1970.
MLA (9th ed.) CitationBold, Harold Charles. The Plant Kingdom. 3rd ed. Prentice-Hall, 1970.
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