Cita APA (7th ed.)

Ogrin, K. M. (1984). New ways in numbers. Heath.

Cita Chicago (17th ed.)

Ogrin, Kathleen M. New Ways in Numbers. Lexington, MA: Heath, 1984.

Cita MLA (9th ed.)

Ogrin, Kathleen M. New Ways in Numbers. Heath, 1984.