APA (7th ed.) Citation

(1939). Gaffre, Pierre. . Haas, Robert. . Maillot, Jean.

Chicago Style (17th ed.) Citation

Gaffre, Pierre. . Haas, Robert. . Maillot, Jean. 1939.

MLA (8th ed.) Citation

Gaffre, Pierre. . Haas, Robert. . Maillot, Jean. 1939.

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