APA
Richtmyer F. K., Cooper J. N. & Kennard E. H.Introduction to modern physics. New Delhi: .
Chicago
Richtmyer F K, Cooper John N and Kennard E H.Introduction to modern physics. New Delhi: .
Harvard
Richtmyer F. K., Cooper J. N. and Kennard E. H.Introduction to modern physics. New Delhi: .
MLA
Richtmyer F K, Cooper John N and Kennard E H.New Delhi: . .