Citazione Stile APA (7a Edizione)

Unesco. (1971). The surveillance and prediction of volcanic activity: A review of methods and techniques. Unesco.

Citazione stile Chigago Style (17a edizione)

Unesco. The Surveillance and Prediction of Volcanic Activity: A Review of Methods and Techniques. Paris: Unesco, 1971.

Citatione MLA (9a ed.)

Unesco. The Surveillance and Prediction of Volcanic Activity: A Review of Methods and Techniques. Unesco, 1971.