APA (7th ed.) Citation

MANDAL, T. (1970). A text: -book of sound. science book agency.

Chicago Style (17th ed.) Citation

MANDAL, T.M. A Text: -book of Sound. Calcutta: science book agency, 1970.

MLA (9th ed.) Citation

MANDAL, T.M. A Text: -book of Sound. science book agency, 1970.