Distillation digest :
volumes 1 and 2.

APA Citation

United States. Office of Saline Water. (1970). Distillation digest: volumes 1 and 2. Washington, D.C.: Office of Saline Water.

MLA Citation

United States. Office of Saline Water. Distillation Digest: Volumes 1 And 2. Washington, D.C.: Office of Saline Water, 1970.

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