APA (7th ed.) Citation

Stewart, M. M., Lanham, F. W., & Zimer, K. (1968). English for business. National Book Store.

Chicago Style (17th ed.) Citation

Stewart, Marie M., Frank W. Lanham, and Keith Zimer. English for Business. Manila: National Book Store, 1968.

MLA (9th ed.) Citation

Stewart, Marie M., et al. English for Business. National Book Store, 1968.