APA (7th ed.) Citation

Kimball, T. R. (1920). Common professional platform. Journal of the American Institute of Architects, 8, 5.

Chicago Style (17th ed.) Citation

Kimball, T. R. "Common Professional Platform." Journal of the American Institute of Architects 8 (1920): 5.

MLA (9th ed.) Citation

Kimball, T. R. "Common Professional Platform." Journal of the American Institute of Architects, vol. 8, 1920, p. 5.