APA (7th ed.) Citation

Porter, H. C. (1945). Soil survey, Bland County, Virginia. U.S. Govt. Print. Off.].

Chicago Style (17th ed.) Citation

Porter, H. C. Soil Survey, Bland County, Virginia. Washington: U.S. Govt. Print. Off.], 1945.

MLA (9th ed.) Citation

Porter, H. C. Soil Survey, Bland County, Virginia. U.S. Govt. Print. Off.], 1945.

Warning: These citations may not always be 100% accurate.