APA (7th ed.) Citation

Corbin, M. W., & Heyl, G. R. (1941). Tertiary limestones of Pulaske and Saline counties, Arkansas. [publisher not identified].

Chicago Style (17th ed.) Citation

Corbin, Milton W., and George Richard Heyl. Tertiary Limestones of Pulaske and Saline Counties, Arkansas. Little Rock: [publisher not identified], 1941.

MLA (9th ed.) Citation

Corbin, Milton W., and George Richard Heyl. Tertiary Limestones of Pulaske and Saline Counties, Arkansas. [publisher not identified], 1941.