Cita APA (7th ed.)

Littlewood, D. (1961). A University algebra (3rd ed.). William Heinemann.

Cita Chicago (17th ed.)

Littlewood, D.E. A University Algebra. 3rd ed. London: William Heinemann, 1961.

Cita MLA (9th ed.)

Littlewood, D.E. A University Algebra. 3rd ed. William Heinemann, 1961.