APA (7th ed.) Citation

Tysdal, R. G., & Case, J. E. (1979). Geologic map of the Seward and Blying Sound quadrangles, Alaska. The Survey.

Chicago Style (17th ed.) Citation

Tysdal, Russell G., and James E. Case. Geologic Map of the Seward and Blying Sound Quadrangles, Alaska. Reston, Va.: The Survey, 1979.

MLA (9th ed.) Citation

Tysdal, Russell G., and James E. Case. Geologic Map of the Seward and Blying Sound Quadrangles, Alaska. The Survey, 1979.