APA (7th ed.) Citation

Varnes, D. J. (1984). Landslide hazard zonation: A review of principles and practice. Unesco.

Chicago Style (17th ed.) Citation

Varnes, David J. Landslide Hazard Zonation: A Review of Principles and Practice. Paris: Unesco, 1984.

MLA (9th ed.) Citation

Varnes, David J. Landslide Hazard Zonation: A Review of Principles and Practice. Unesco, 1984.

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