APA (7th ed.) Citation

Dilley, C. A., & Herpin, E. J. (1979). The circular. Bruylant.

Chicago Style (17th ed.) Citation

Dilley, Charles A., and Eric J. Herpin. The Circular. Bruxelles: Bruylant, 1979.

MLA (9th ed.) Citation

Dilley, Charles A., and Eric J. Herpin. The Circular. Bruylant, 1979.