Speck, J. (2012). Walkable city: How downtown can save america, one step at a time.
Chicago Style (17th ed.) CitationSpeck, Jeff. Walkable City: How Downtown Can Save America, One Step at a Time. 2012.
MLA引文Speck, Jeff. Walkable City: How Downtown Can Save America, One Step at a Time. 2012.
警告：這些引文格式不一定是100％准確.