APA (7th ed.) Citation

Horton, A. H., & Leighton, M. O. (1908). Relation of southern Appalachian Mountains to inland water navigation. [publisher not identified].

Chicago Style (17th ed.) Citation

Horton, A. H., and M. O. Leighton. Relation of Southern Appalachian Mountains to Inland Water Navigation. Washington, D.C.: [publisher not identified], 1908.

MLA (9th ed.) Citation

Horton, A. H., and M. O. Leighton. Relation of Southern Appalachian Mountains to Inland Water Navigation. [publisher not identified], 1908.