APA (7th ed.) Citation

Landau, E. G. H. (1966). Elementary number theory (2d ed.). Chelsea Pub.

Chicago Style (17th ed.) Citation

Landau, Edmund Georg Hermann. Elementary Number Theory. 2d ed. New York: Chelsea Pub, 1966.

MLA (9th ed.) Citation

Landau, Edmund Georg Hermann. Elementary Number Theory. 2d ed. Chelsea Pub, 1966.