APA (7th ed.) Citation

Schwarzacher, W., & Hunkins, K. (1960). Dredged gravels from the central Arctic Ocean. Lamont Geological Observatory, Columbia University.

Chicago Style (17th ed.) Citation

Schwarzacher, Walther, and Kenneth Hunkins. Dredged Gravels from the Central Arctic Ocean. Palisades, N.Y.: Lamont Geological Observatory, Columbia University, 1960.

MLA (9th ed.) Citation

Schwarzacher, Walther, and Kenneth Hunkins. Dredged Gravels from the Central Arctic Ocean. Lamont Geological Observatory, Columbia University, 1960.