Cita APA (7a ed.)

Pettigrew W. F. William Frank. (1901). A manual of locomotive engineering. London, Charles Griffin & Company, Limited, 1901.

Cita Chicago Style (17a ed.)

Pettigrew W. F. William Frank. A Manual of Locomotive Engineering. London, Charles Griffin & Company, Limited, 1901, 1901.

Cita MLA (9a ed.)

Pettigrew W. F. William Frank. A Manual of Locomotive Engineering. London, Charles Griffin & Company, Limited, 1901, 1901.