APA (7th ed.) Citation

Dreyfus, R. (1931). La telephonie. Armand Colin.

Chicago Style (17th ed.) Citation

Dreyfus, Robert. La Telephonie. Paris: Armand Colin, 1931.

MLA (9th ed.) Citation

Dreyfus, Robert. La Telephonie. Armand Colin, 1931.

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