APA (7th ed.) Citation

LANDAU, E., & GOODMAN, J. E. (1966). Elementary number theory (2nd ed.). Chelsea.

Chicago Style (17th ed.) Citation

LANDAU, Edmund, and Jacob E. GOODMAN. Elementary Number Theory. 2nd ed. New York: Chelsea, 1966.

MLA (9th ed.) Citation

LANDAU, Edmund, and Jacob E. GOODMAN. Elementary Number Theory. 2nd ed. Chelsea, 1966.