APA (7th ed.) Citation

Dubnov, Y. S. (1963). Mistakes in geometric proofs. Heath.

Chicago Style (17th ed.) Citation

Dubnov, Ya. S. Mistakes in Geometric Proofs. Boston: Heath, 1963.

MLA (9th ed.) Citation

Dubnov, Ya. S. Mistakes in Geometric Proofs. Heath, 1963.

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