APA

Gupta P. P. e. a., . (1973). Mathematical physics. : Kedar Nath Ram Nath Publishers, Meerut.

Chicago

Gupta P P et al, . 1973. Mathematical physics. : Kedar Nath Ram Nath Publishers, Meerut.

Harvard

Gupta P. P. e. a., . (1973). Mathematical physics. : Kedar Nath Ram Nath Publishers, Meerut.

MLA

Gupta P P et al, . Mathematical physics. : Kedar Nath Ram Nath Publishers, Meerut. 1973.