APA

Oma Mehra, . (1973). Biology: Short-answer questions. : Orient Longmans, Bombay.

Chicago

Oma Mehra, . 1973. Biology: Short-answer questions. : Orient Longmans, Bombay.

Harvard

Oma Mehra, . (1973). Biology: Short-answer questions. : Orient Longmans, Bombay.

MLA

Oma Mehra, . Biology: Short-answer questions. : Orient Longmans, Bombay. 1973.