Gaya APA

}, Z, {, E, A. (1980). Analytical Methods for Pesticides and Plant Growth Regulators, And Food Additives (Volume XI). New York: Academic Press Inc.

Gaya MLA

}, Zweig,Gunter, {, Et, Al. "Analytical Methods for Pesticides and Plant Growth Regulators, And Food Additives". Volume XI New York: Academic Press Inc, 1980. Text.