APA (7th ed.) Citation

Leffmann, H. (1929). The invention of the motion picture.

Chicago Style (17th ed.) Citation

Leffmann, Henry. The Invention of the Motion Picture. Philadelphia, 1929.

MLA (9th ed.) Citation

Leffmann, Henry. The Invention of the Motion Picture. 1929.

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