Cita APA (7a ed.)

Durell, C. V., & Palmer, G. W. (1920). Elementary algebra. G. Bell and Sons.

Cita Chicago Style (17a ed.)

Durell, Clement V., y George William Palmer. Elementary Algebra. London: G. Bell and Sons, 1920.

Cita MLA (9a ed.)

Durell, Clement V., y George William Palmer. Elementary Algebra. G. Bell and Sons, 1920.