Modern physics;
a general survey of its principles,
by Theodor Wulf. Translated from the second German edition by C. J. Smith. With 202 diagrams.

APA Citation

Wulf, T., Smith, C. J. (Clarence Joseph). (1929). Modern physics: a general survey of its principles. New York: E. P. Dutton and company inc.

MLA Citation

Wulf, Theodor, 1868-, and C. J. (Clarence Joseph) Smith. Modern Physics: a General Survey of Its Principles. New York: E. P. Dutton and company inc, 1929.

Warning: These citations may not always be complete (especially for serials).