APA (7th ed.) Citation

Richard, L. (1984). The Concise Encyclopedia of Expressionism. Omega Books.

Chicago Style (17th ed.) Citation

Richard, Lionel. The Concise Encyclopedia of Expressionism. Omega Books, 1984.

MLA (8th ed.) Citation

Richard, Lionel. The Concise Encyclopedia of Expressionism. Omega Books, 1984.

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