APA (7th ed.) Citation

Hadamard, J. (1949). An essay on the psychology of invention in the mathematical field (2. print.). Princeton Univ. Press.

Chicago Style (17th ed.) Citation

Hadamard, Jacques. An Essay on the Psychology of Invention in the Mathematical Field. 2. print. Princeton: Princeton Univ. Press, 1949.

MLA (9th ed.) Citation

Hadamard, Jacques. An Essay on the Psychology of Invention in the Mathematical Field. 2. print. Princeton Univ. Press, 1949.

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