Cita APA (7a ed.)

Boon, F. C. (1969). A companion to school mathematics. Longman.

Cita Chicago Style (17a ed.)

Boon, Frederick Charles. A Companion to School Mathematics. London: Longman, 1969.

Cita MLA (9a ed.)

Boon, Frederick Charles. A Companion to School Mathematics. Longman, 1969.