APA

Harborne J. B., Mabry T. J. & Mabry H. (1975). The Flavonoids. New York: Academic Press.

Chicago

Harborne J B, Mabry T J and Mabry Helga. 1975. The Flavonoids. New York: Academic Press.

Harvard

Harborne J. B., Mabry T. J. and Mabry H. (1975). The Flavonoids. New York: Academic Press.

MLA

Harborne J B, Mabry T J and Mabry Helga. The Flavonoids. New York: Academic Press. 1975.