APA (7th ed.) Citation

Helal, A. H., & Weiss, J. W. (1992). Libaries and electronic publishing: Promises and challenges for the 90's. Universitatsbibliothek Essen.

Chicago Style (17th ed.) Citation

Helal, Ahmed H., and Joachim W. Weiss. Libaries and Electronic Publishing: Promises and Challenges for the 90's. Essen: Universitatsbibliothek Essen, 1992.

MLA (8th ed.) Citation

Helal, Ahmed H., and Joachim W. Weiss. Libaries and Electronic Publishing: Promises and Challenges for the 90's. Universitatsbibliothek Essen, 1992.

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