Παραπομπή APA

Hadamard, J. (1954). Essay on the psychology of invention in the mathematical field. Dover Publications.

Παραπομπή Chicago Style

Hadamard, Jacques. Essay on the Psychology of Invention in the Mathematical Field. [New York]: Dover Publications, 1954.

Παραπομπή MLA

Hadamard, Jacques. Essay on the Psychology of Invention in the Mathematical Field. Dover Publications, 1954.