Cita APA (7th ed.)

Barnard, S. a. C. (1967). Higher algebra. Macmillan.

Cita Chicago (17th ed.)

Barnard, S. and CHILD. Higher Algebra. London: Macmillan, 1967.

Cita MLA (9th ed.)

Barnard, S. and CHILD. Higher Algebra. Macmillan, 1967.