Cita APA (7th ed.)

Werner, E. D. (2010). Landslides: Causes, Types and Effects. Nova Science Publishers.

Cita Chicago (17th ed.)

Werner, Ernest D. Landslides: Causes, Types and Effects. New York: Nova Science Publishers, 2010.

Cita MLA (9th ed.)

Werner, Ernest D. Landslides: Causes, Types and Effects. Nova Science Publishers, 2010.