APA (7th ed.) Citation

Langman, L. (1981). A guide to American film directors: The sound era, 1929-1979. Scarecrow Press.

Chicago Style (17th ed.) Citation

Langman, Larry. A Guide to American Film Directors: The Sound Era, 1929-1979. Metuchen, N.J.: Scarecrow Press, 1981.

MLA (9th ed.) Citation

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

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