APA (7th ed.) Citation

Backhouse, J. K., & Houldsworth, S. P. (1993). Pure mathematics (4. ed., 10. impr.). Longman.

Chicago Style (17th ed.) Citation

Backhouse, John K., and S. P. Houldsworth. Pure Mathematics. 4. ed., 10. impr. Harlow, Essex: Longman, 1993.

MLA (9th ed.) Citation

Backhouse, John K., and S. P. Houldsworth. Pure Mathematics. 4. ed., 10. impr. Longman, 1993.