APA (7th ed.) Citation

Murray, W. B. (1948). The relationship between sand size and biological activity in sewage filters. [publisher not identified].

Chicago Style (17th ed.) Citation

Murray, William Bruce. The Relationship Between Sand Size and Biological Activity in Sewage Filters. [College Station, Tex.]: [publisher not identified], 1948.

MLA (9th ed.) Citation

Murray, William Bruce. The Relationship Between Sand Size and Biological Activity in Sewage Filters. [publisher not identified], 1948.