APA (7th ed.) Citation

Gill, J. P., & Gill, M. J. (1980). On the courthouse square in Arkansas. [J.P.Gill?].

Chicago Style (17th ed.) Citation

Gill, John Purifoy, and Marjem Jackson Gill. On the Courthouse Square in Arkansas. [Place of publication not identified]: [J.P.Gill?], 1980.

MLA (9th ed.) Citation

Gill, John Purifoy, and Marjem Jackson Gill. On the Courthouse Square in Arkansas. [J.P.Gill?], 1980.