Cita APA (7th ed.)

Klein, M. J. (1970). Paul Ehrenfest. North-Holland Pub. Co. ; American Elsevier Pub. Co..

Cita Chicago (17th ed.)

Klein, Martin J. Paul Ehrenfest. Amsterdam : New York: North-Holland Pub. Co. ; American Elsevier Pub. Co., 1970.

Cita MLA (8th ed.)

Klein, Martin J. Paul Ehrenfest. North-Holland Pub. Co. ; American Elsevier Pub. Co., 1970.