APA (7th ed.) Citation

Helal, A. H., & Weiss, J. W. (1997). Towards a Worldwide Library: A Ten Year Forecast. Proceedings of the International Essen Symposium (19th, Essen, Germany, September 23-26, 1996). Publications of Essen University Library, No. 21.

Chicago Style (17th ed.) Citation

Helal, Ahmed H., and Joachim W. Weiss. Towards a Worldwide Library: A Ten Year Forecast. Proceedings of the International Essen Symposium (19th, Essen, Germany, September 23-26, 1996). Publications of Essen University Library, No. 21. 1997.

MLA (9th ed.) Citation

Helal, Ahmed H., and Joachim W. Weiss. Towards a Worldwide Library: A Ten Year Forecast. Proceedings of the International Essen Symposium (19th, Essen, Germany, September 23-26, 1996). Publications of Essen University Library, No. 21. 1997.

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