APA (7th ed.) Citation

Johnson, E. H. (1971). Claes Oldenburg. Penguin Books.

Chicago Style (17th ed.) Citation

Johnson, Ellen H. Claes Oldenburg. Baltimore: Penguin Books, 1971.

MLA (8th ed.) Citation

Johnson, Ellen H. Claes Oldenburg. Penguin Books, 1971.

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