APA (7th ed.) Citation

Howson, g., Keitel, C., & Kilpatrick, J. (1981). Curriculum development in mathematics. Cambridge University Press.

Chicago Style (17th ed.) Citation

Howson, geoffrey, Christine Keitel, and Jeremy Kilpatrick. Curriculum Development in Mathematics. Cambridge University Press, 1981.

MLA (8th ed.) Citation

Howson, geoffrey, et al. Curriculum Development in Mathematics. Cambridge University Press, 1981.