APA
Singh P. &. o., . (1978). Modern chemistry, XII. Bombay: Himalaya publishing House.
Chicago
Singh P.P & others, . 1978. Modern chemistry, XII. Bombay: Himalaya publishing House.
Harvard
Singh P. &. o., . (1978). Modern chemistry, XII. Bombay: Himalaya publishing House.
MLA
Singh P.P & others, . Modern chemistry, XII. Bombay: Himalaya publishing House. 1978.