APA Citation

Duffy, E. W. (2013). Philadelphia: A railroad history. Philadelphia: Camino Books.

Chicago Style Citation

Duffy, Edward W. Philadelphia: A Railroad History. Philadelphia: Camino Books, 2013.

MLA Citation

Duffy, Edward W. Philadelphia: A Railroad History. Philadelphia: Camino Books, 2013.

Warning: These citations may not always be 100% accurate.