Halacy, D. (1968). Century 21 : your life in the year 2001 and: Beyond. Macrae Smith.
Chicagoスタイル(17版)引用形式Halacy, D.S. Century 21 : Your Life in the Year 2001 and: Beyond. Philadelphia: Macrae Smith, 1968.
MLA(9版)引用形式Halacy, D.S. Century 21 : Your Life in the Year 2001 and: Beyond. Macrae Smith, 1968.
警告: この引用は必ずしも正確ではありません.