APA (7th ed.) Citation

(1991). Lamont-Doherty geological observatory: An institute of Columbia University dedicated to research in earth sciences, 1990 & 1991 report. Lamont-Doherty Geological Observatory of Columbia University.

Chicago Style (17th ed.) Citation

Lamont-Doherty Geological Observatory: An Institute of Columbia University Dedicated to Research in Earth Sciences, 1990 & 1991 Report. New York: Lamont-Doherty Geological Observatory of Columbia University, 1991.

MLA (9th ed.) Citation

Lamont-Doherty Geological Observatory: An Institute of Columbia University Dedicated to Research in Earth Sciences, 1990 & 1991 Report. Lamont-Doherty Geological Observatory of Columbia University, 1991.