APA Style

GUPTA, D, M. (2011-2012). ORGANIC CHEMISTRY OF NATURAL PRODUCTS (1ST 2011-2012). DELHI: BIRLA PUBLIATION.

MLA Style

GUPTA, DR, MK. "ORGANIC CHEMISTRY OF NATURAL PRODUCTS". 1ST 2011-2012 DELHI: BIRLA PUBLIATION, 2011-2012. Text.