American Society of Civil Engineers. Task Committee on Steel Penstock Design, ebrary, Inc, & Bambei, J. H. (2012). Steel penstocks (2nd ed.). American Society of Civil Engineers.
Citação do estilo Chicago (17ª ed.)American Society of Civil Engineers. Task Committee on Steel Penstock Design, Inc ebrary, e John H. Bambei. Steel Penstocks. 2nd ed. Reston: American Society of Civil Engineers, 2012.
Citação MLA (9ª ed.)American Society of Civil Engineers. Task Committee on Steel Penstock Design, et al. Steel Penstocks. 2nd ed. American Society of Civil Engineers, 2012.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.