APA (7th ed.) Citation

Johnson, G. H. (1972). Geology of the Yorktown, Poquoson West, and Poquoson East quadrangles, Virginia. Virginia Division of Mineral Resources.

Chicago Style (17th ed.) Citation

Johnson, Gerald H. Geology of the Yorktown, Poquoson West, and Poquoson East Quadrangles, Virginia. Charlottesville: Virginia Division of Mineral Resources, 1972.

MLA (9th ed.) Citation

Johnson, Gerald H. Geology of the Yorktown, Poquoson West, and Poquoson East Quadrangles, Virginia. Virginia Division of Mineral Resources, 1972.