United States Patent Office
MLA
Molera i Bros, and Cebrian. United States Patent Office: Improvement In Fluid-motors Or Motor-engines. San Francisco: [s.a.], 1879.
APA
Molera i Bros, M. i Bros, & Cebrian, C. (1879). United States Patent Office: Improvement in fluid-motors or motor-engines. San Francisco: [s.a.].
Chicago
Molera i Bros, and Cebrian. United States Patent Office: Improvement In Fluid-Motors Or Motor-Engines. San Francisco: [s.a.], 1879.