Cita APA (7a ed.)

Landau, E., & Goodman, J. E. (1958). Elementary number theory. Chelsea.

Cita Chicago Style (17a ed.)

Landau, Edmund, y Jacob E. Goodman. Elementary Number Theory. New York: Chelsea, 1958.

Cita MLA (9a ed.)

Landau, Edmund, y Jacob E. Goodman. Elementary Number Theory. Chelsea, 1958.