APA (7th ed.) Citation

International ISBN Agency Berlín, Nemecko, & Spitzer, K. (2001). Publishers' international ISBN directory (28th ed. 2001/2002.). Saur.

Chicago Style (17th ed.) Citation

International ISBN Agency Berlín, Nemecko, and Katrin Spitzer. Publishers' International ISBN Directory. 28th ed. 2001/2002. München: Saur, 2001.

MLA (9th ed.) Citation

International ISBN Agency Berlín, Nemecko, and Katrin Spitzer. Publishers' International ISBN Directory. 28th ed. 2001/2002. Saur, 2001.

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