APA(7版)引用形式

Mclellan, D. (1973). Karl Marks His life and thought. Macmillan.

Chicagoスタイル(17版)引用形式

Mclellan, David. Karl Marks His Life and Thought. London: Macmillan, 1973.

MLA(9版)引用形式

Mclellan, David. Karl Marks His Life and Thought. Macmillan, 1973.