APA (7th ed.) Citation

Dykstra, G. O., & Dykstra, L. G. (1939). A textbook on government and business. Callaghan and company.

Chicago Style (17th ed.) Citation

Dykstra, Gerald O., and Lillian G. Dykstra. A Textbook on Government and Business. Chicago: Callaghan and company, 1939.

MLA (9th ed.) Citation

Dykstra, Gerald O., and Lillian G. Dykstra. A Textbook on Government and Business. Callaghan and company, 1939.