Free Library of Philadelphia. (1961). Decade of growth: 1951-1960.
Chicago Style (17th ed.) CitationFree Library of Philadelphia. Decade of Growth: 1951-1960. Philadelphia, 1961.
MLA引文Free Library of Philadelphia. Decade of Growth: 1951-1960. 1961.
警告：這些引文格式不一定是100％准確.