APA (7th ed.) Citation

Swolfs, H. S. (1984). The triangular stress diagram: A graphical representation of crustal stress measurements. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Swolfs, Henri S. The Triangular Stress Diagram: A Graphical Representation of Crustal Stress Measurements. Washington: United States Department of the Interior, Geological Survey, 1984.

MLA (9th ed.) Citation

Swolfs, Henri S. The Triangular Stress Diagram: A Graphical Representation of Crustal Stress Measurements. United States Department of the Interior, Geological Survey, 1984.