APA (7th ed.) Citation

Hadamard, J. Four Lectures on Mathematics, Delivered at Columbia University in 1911.

Chicago Style (17th ed.) Citation

Hadamard, Jacques. Four Lectures on Mathematics, Delivered at Columbia University in 1911.

MLA (9th ed.) Citation

Hadamard, Jacques. Four Lectures on Mathematics, Delivered at Columbia University in 1911.

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