APA (7th ed.) Citation

Cardinal, R. (1972). Outsider art / (by) Roger Cardinal. Studio Vista.

Chicago Style (17th ed.) Citation

Cardinal, Roger. Outsider Art / (by) Roger Cardinal. London: Studio Vista, 1972.

MLA (9th ed.) Citation

Cardinal, Roger. Outsider Art / (by) Roger Cardinal. Studio Vista, 1972.

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