Cita APA (7th ed.)
Metcalf, L., & Eddy, H. P. (1915). American sewage practice: Construction of sewers. McGraw-Hill.
Cita Chicago (17th ed.)
Metcalf, Leonard, i Harrison P. Eddy. American Sewage Practice: Construction of Sewers. Nueva York, EUA: McGraw-Hill, 1915.
Cita MLA (9th ed.)
Metcalf, Leonard, i Harrison P. Eddy. American Sewage Practice: Construction of Sewers. McGraw-Hill, 1915.
Atenció: Aquestes cites poden no estar 100% correctes.