APA (7th ed.) Citation

Sotheby's New York. (1993). 19th and 20th century and contemporary prints ... 11-12 February 1993. Catalogue. Sotheby's.

Chicago Style (17th ed.) Citation

Sotheby's New York. 19th and 20th Century and Contemporary Prints ... 11-12 February 1993. Catalogue. New York: Sotheby's, 1993.

MLA (9th ed.) Citation

Sotheby's New York. 19th and 20th Century and Contemporary Prints ... 11-12 February 1993. Catalogue. Sotheby's, 1993.

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