APA Style

Dr.S.L.Gupta, . (1990). Thermodynamics and optics (Thirty Seventh Edition 2005-2006). : Jai prakash Nath and Co., Meerut.

MLA Style

Dr.S.L.Gupta, . "Thermodynamics and optics". Thirty Seventh Edition 2005-2006 : Jai prakash Nath and Co., Meerut, 1990. Book.