APA Style

Babbitt, H, E., Baumann, E, R. (1922). Sewerage and sewage treatment (8th.ed). : John Wiley and Sons, Inc.

MLA Style

Babbitt, Harold, E.., Baumann, E., Robert. "Sewerage and sewage treatment". 8th.ed : John Wiley and Sons, Inc, 1922. PDF.