Cita APA (7a ed.)

Harborne, J. (1993). Introduction to ecological biochemistry (4th edition.). Academic Press.

Cita Chicago Style (17a ed.)

Harborne, J.B. Introduction to Ecological Biochemistry. 4th edition. London: Academic Press, 1993.

Cita MLA (8a ed.)

Harborne, J.B. Introduction to Ecological Biochemistry. 4th edition. Academic Press, 1993.

Precaución: Estas citas no son 100% exactas.