Professional design supplement :
to the MWPS structures environment handbook /
Midwest Plan Service.

APA Citation

Midwest Plan Service. (1978). Professional design supplement: to the MWPS structures environment handbook. 5th ed. Ames, Iowa: The Service.

MLA Citation

Midwest Plan Service. Professional Design Supplement: to the MWPS Structures Environment Handbook. 5th ed. Ames, Iowa: The Service, 1978.

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