Richtmyer, F. K., Kennard, E. H., & Lauritsen, T. (1955). Introduction to modern physics (5a. ed.). McGraw-Hill.
Cita Chicago (17th ed.)Richtmyer, F. K., E. H. Kennard, i T. Lauritsen. Introduction to Modern Physics. 5a. ed. Nueva York: McGraw-Hill, 1955.
Cita MLA (9th ed.)Richtmyer, F. K., et al. Introduction to Modern Physics. 5a. ed. McGraw-Hill, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.