APA (7th ed.) Citation

Black, H. H., & Spaulding, C. H. (1944). Diatomite water filtration developed for field troops. Journal: American Water Works Association, 36, 1208.

Chicago Style (17th ed.) Citation

Black, H. H., and C. H. Spaulding. "Diatomite Water Filtration Developed for Field Troops." Journal: American Water Works Association 36 (1944): 1208.

MLA (9th ed.) Citation

Black, H. H., and C. H. Spaulding. "Diatomite Water Filtration Developed for Field Troops." Journal: American Water Works Association, vol. 36, 1944, p. 1208.