APA Edition Citation

Sotheby's (Firm). (1985). Postage stamps of the world - June 1985. Sotheby.

Chicago Edition Citation

Sotheby's (Firm). Postage Stamps of the World - June 1985. London: Sotheby, 1985.

MLA Edition Citation

Sotheby's (Firm). Postage Stamps of the World - June 1985. Sotheby, 1985.

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