APA (7th ed.) Citation

(1990). Twentieth 20th century theories of art. Carleton Univ. Pr.

Chicago Style (17th ed.) Citation

Twentieth 20th Century Theories of Art. Ottawa: Carleton Univ. Pr, 1990.

MLA (9th ed.) Citation

Twentieth 20th Century Theories of Art. Carleton Univ. Pr, 1990.

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