APA (7th ed.) Citation

Iaglom, A. M. (1964). Challenging mathematical problems with elementary solutions. Holden-Day.

Chicago Style (17th ed.) Citation

Iaglom, A. M. Challenging Mathematical Problems with Elementary Solutions. San Francisco: Holden-Day, 1964.

MLA (9th ed.) Citation

Iaglom, A. M. Challenging Mathematical Problems with Elementary Solutions. Holden-Day, 1964.

Warning: These citations may not always be 100% accurate.