Cita APA (7th ed.)

Patterson, E. (1965). Elementary abstract algebra. Oliver & Boyd.

Cita Chicago (17th ed.)

Patterson, E.M. Elementary Abstract Algebra. Edinburgh: Oliver & Boyd, 1965.

Cita MLA (9th ed.)

Patterson, E.M. Elementary Abstract Algebra. Oliver & Boyd, 1965.

Atenció: Aquestes cites poden no estar 100% correctes.