APA (7th ed.) Citation

Class, R. A., & Koehler, R. E. (1976). Current techniques in architectural practice. American Institute of Architects.

Chicago Style (17th ed.) Citation

Class, Robert Allan, and Robert E. Koehler. Current Techniques in Architectural Practice. Washington: American Institute of Architects, 1976.

MLA (8th ed.) Citation

Class, Robert Allan, and Robert E. Koehler. Current Techniques in Architectural Practice. American Institute of Architects, 1976.