Bold, H. C., & La Clare, J. W. (1977). The plant kingdom (4th.). Prentice-Hall.
Chicago Style (17th ed.) CitationBold, Harold Charles, and John W. La Clare. The Plant Kingdom. 4th. Englewood Cliffs, N. J.: Prentice-Hall, 1977.
MLA (8th ed.) CitationBold, Harold Charles, and John W. La Clare. The Plant Kingdom. 4th. Prentice-Hall, 1977.
Warning: These citations may not always be 100% accurate.