APA(7版)引用形式
Ludwwig, E. (1960). The nile: The lifr-story of a river. George Allen.
Chicagoスタイル(17版)引用形式
Ludwwig, Emil. The Nile: The Lifr-story of a River. London: George Allen, 1960.
MLA(9版)引用形式
Ludwwig, Emil. The Nile: The Lifr-story of a River. George Allen, 1960.
警告: この引用は必ずしも正確ではありません.