APA (7th ed.) Citation

(1989). Landslides - extent and economic significance: Proceedings of the 28th Internat. Geolog. Congress Symposium on Landslides, Washington D. C., 17. July 1989. Balkema.

Chicago Style (17th ed.) Citation

Landslides - Extent and Economic Significance: Proceedings of the 28th Internat. Geolog. Congress Symposium on Landslides, Washington D. C., 17. July 1989. Rotterdam u.a: Balkema, 1989.

MLA (9th ed.) Citation

Landslides - Extent and Economic Significance: Proceedings of the 28th Internat. Geolog. Congress Symposium on Landslides, Washington D. C., 17. July 1989. Balkema, 1989.