APA (7th ed.) Citation

The Architects' directory and specification index. W.T. Comstock.

Chicago Style (17th ed.) Citation

The Architects' Directory and Specification Index. New York: W.T. Comstock.

MLA (8th ed.) Citation

The Architects' Directory and Specification Index. W.T. Comstock.

Warning: These citations may not always be 100% accurate.