APA (7th ed.) Citation

Koehler, W. Digital libraries and World Wide Web sites and page persistence. University of Borås.

Chicago Style (17th ed.) Citation

Koehler, Wallace. Digital Libraries and World Wide Web Sites and Page Persistence. University of Borås.

MLA (9th ed.) Citation

Koehler, Wallace. Digital Libraries and World Wide Web Sites and Page Persistence. University of Borås.

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