APA (7th ed.) Citation

Parkin, F., Teng, S. B., & Wills, G. (1977). New curriculum mathematics 1; for Honkong secondary schools. Oxford University.

Chicago Style (17th ed.) Citation

Parkin, F., S. B. Teng, and G. Wills. New Curriculum Mathematics 1; for Honkong Secondary Schools. Hongkong: Oxford University, 1977.

MLA (9th ed.) Citation

Parkin, F., et al. New Curriculum Mathematics 1; for Honkong Secondary Schools. Oxford University, 1977.