Unesco. (1971). The surveillance and prediction of volcanic activity: A review of methods and techniques. Unesco.
Chicago Style (17th ed.) CitationUnesco. The Surveillance and Prediction of Volcanic Activity: A Review of Methods and Techniques. Paris: Unesco, 1971.
MLA (9th ed.) CitationUnesco. The Surveillance and Prediction of Volcanic Activity: A Review of Methods and Techniques. Unesco, 1971.
Warning: These citations may not always be 100% accurate.