Haggard, H. W. (1937). Staying young beyond your years. Funk and Wagnalls company.
Chicagoスタイル(17版)引用形式Haggard, Howard Wilcox. Staying Young Beyond Your Years. New York: Funk and Wagnalls company, 1937.
MLA(9版)引用形式Haggard, Howard Wilcox. Staying Young Beyond Your Years. Funk and Wagnalls company, 1937.
警告: この引用は必ずしも正確ではありません.