APA (7th ed.) Citation

Sotheby's (London). (1990). Nineteenth and twentieth century works of art and furniture: Day of sale Friday 8th June 1990. Sotheby's.

Chicago Style (17th ed.) Citation

Sotheby's (London). Nineteenth and Twentieth Century Works of Art and Furniture: Day of Sale Friday 8th June 1990. London: Sotheby's, 1990.

MLA (9th ed.) Citation

Sotheby's (London). Nineteenth and Twentieth Century Works of Art and Furniture: Day of Sale Friday 8th June 1990. Sotheby's, 1990.