Cita APA (7th ed.)

Twort. Alan Charles. (1963). A textbook of water supply. American Elsevier Pub.

Cita Chicago (17th ed.)

Twort. Alan Charles. A Textbook of Water Supply. New York: American Elsevier Pub, 1963.

Cita MLA (9th ed.)

Twort. Alan Charles. A Textbook of Water Supply. American Elsevier Pub, 1963.