APA (7th ed.) Citation

Corbett, D. M. (1969). Acid mine-drainage problem of the Patoka River watershed, southwestern Indiana. [publisher not identified].

Chicago Style (17th ed.) Citation

Corbett, Don Melvin. Acid Mine-drainage Problem of the Patoka River Watershed, Southwestern Indiana. Bloomington, Ind.: [publisher not identified], 1969.

MLA (9th ed.) Citation

Corbett, Don Melvin. Acid Mine-drainage Problem of the Patoka River Watershed, Southwestern Indiana. [publisher not identified], 1969.