APA (7th ed.) Citation

(1981). A guide to American film directors: The sound era, 1929-1979 / Larry Langman.

Chicago Style (17th ed.) Citation

A Guide to American Film Directors: The Sound Era, 1929-1979 / Larry Langman. 1981.

MLA (9th ed.) Citation

A Guide to American Film Directors: The Sound Era, 1929-1979 / Larry Langman. 1981.

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