APA (7th ed.) Citation

Ardoin, P. (1920). L'Emden. A. Challamel.

Chicago Style (17th ed.) Citation

Ardoin, Paul. L'Emden. Paris: A. Challamel, 1920.

MLA (9th ed.) Citation

Ardoin, Paul. L'Emden. A. Challamel, 1920.

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