APA (7th ed.) Citation

Honsberger, R. (1970). Ingenuity in mathematics.

Chicago Style (17th ed.) Citation

Honsberger, Ross. Ingenuity in Mathematics. 1970.

MLA (8th ed.) Citation

Honsberger, Ross. Ingenuity in Mathematics. 1970.

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