APA citiranje

White, W. B. (2020). Caves and Karst of the Greenbrier Valley in West Virginia. 1st ed. 2018. Springer International Publishing.

Trích dẫn kiểu Chicago

White, William B. Caves and Karst of the Greenbrier Valley in West Virginia. 1st Ed. 2018. Springer International Publishing, 2020.

MLA citiranje

White, William B. Caves and Karst of the Greenbrier Valley in West Virginia. 1st Ed. 2018. Springer International Publishing, 2020.