APA引文

European Conference on Geographical Information Systems Genoa, Italy, EGIS Foundation, Scholten, H. J., Harts, J., Ottens, H. F. L., & Ondaatje, D. A. (1993). EGIS '93: Conference proceedings. EGIS Foundation.

Chicago Style (17th ed.) Citation

European Conference on Geographical Information Systems Genoa, Italy, EGIS Foundation, H. J. Scholten, JanJaap Harts, Henk F. L. Ottens, and Deby A. Ondaatje. EGIS '93: Conference Proceedings. Utrecht: EGIS Foundation, 1993.

MLA引文

European Conference on Geographical Information Systems Genoa, Italy, et al. EGIS '93: Conference Proceedings. EGIS Foundation, 1993.