Cita APA

Babbitt, H. E. n. 1., & Babbitt, H. E. n. 1. (1949). Sewerage and sewage treatment (6. edition.). New York, New York: Willey.

Citación estilo Chicago

Babbitt, Harold Eaton n. 1888, y Harold Eaton n. 1888 Babbitt. Sewerage and Sewage Treatment. 6. edition. New York, New York: Willey, 1949.

Cita MLA

Babbitt, Harold Eaton n. 1888, y Harold Eaton n. 1888 Babbitt. Sewerage and Sewage Treatment. 6. edition. New York, New York: Willey, 1949.