APA Style
Kulshrestha, H., Taneja, A. ().
Upkar's Civil Services Preliminary Examination Chemistry .
Agra:
Upkar Prakashan.
MLA Style
Kulshrestha, Hemant., Taneja, Ajay.
"Upkar's Civil Services Preliminary Examination Chemistry".
Agra:
Upkar Prakashan,
.
Text.