Cita APA

Unesco, & Unesco. (1972). The surveillance and prediction of volcanic activity: A review of methods and techniques. Paris: The Organization.

Citación estilo Chicago

Unesco, y Unesco. The Surveillance and Prediction of Volcanic Activity: A Review of Methods and Techniques. Paris: The Organization, 1972.

Cita MLA

Unesco, y Unesco. The Surveillance and Prediction of Volcanic Activity: A Review of Methods and Techniques. Paris: The Organization, 1972.