Handbook of building plans :
8 1/2 x 11 copies of working drawings for office use.

APA Citation

Midwest Plan Service. (1978). Handbook of building plans: 8 1/2 x 11 copies of working drawings for office use. 1978 ed. [Ames, Iowa]: Midwest Plan Service.

MLA Citation

Midwest Plan Service. Handbook of Building Plans: 8 1/2 X 11 Copies of Working Drawings for Office Use. 1978 ed. [Ames, Iowa]: Midwest Plan Service, 1978.

Warning: These citations may not always be complete (especially for serials).