APA (7th ed.) Citation

Heron, S. D., & Johnson, H. S. (1958). Geology of the Irmo quadrangle, South Carolina. Division of Geology.

Chicago Style (17th ed.) Citation

Heron, S. D., and H. S. Johnson. Geology of the Irmo Quadrangle, South Carolina. [Place of publication not identified]: Division of Geology, 1958.

MLA (9th ed.) Citation

Heron, S. D., and H. S. Johnson. Geology of the Irmo Quadrangle, South Carolina. Division of Geology, 1958.