Cita APA (7th ed.)

Cohn, R. M. (1965). Difference algebra. Interscience Publishers.

Cita Chicago (17th ed.)

Cohn, Richard M. Difference Algebra. New York: Interscience Publishers, 1965.

Cita MLA (9th ed.)

Cohn, Richard M. Difference Algebra. Interscience Publishers, 1965.