APA (7th ed.) Citation

Field, E., & Opper, F. B. (1967). The complete Tribune primer. Dillon Press.

Chicago Style (17th ed.) Citation

Field, Eugene, and Frederick Burr Opper. The Complete Tribune Primer. Minneapolis: Dillon Press, 1967.

MLA (9th ed.) Citation

Field, Eugene, and Frederick Burr Opper. The Complete Tribune Primer. Dillon Press, 1967.