APA (7th ed.) Citation

Billy, A. (1939). Introïbo: Roman. Americ-Edit.

Chicago Style (17th ed.) Citation

Billy, André. Introïbo: Roman. Paris: Americ-Edit, 1939.

MLA (8th ed.) Citation

Billy, André. Introïbo: Roman. Americ-Edit, 1939.

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