APA引文

Whitehead, G. W. 1. (1966). Homotopy theory. Cambridge, Mass.: M.I.T. Press.

Trích dẫn kiểu Chicago

Whitehead, George W. 1918-. Homotopy Theory. Cambridge, Mass.: M.I.T. Press, 1966.

MLA引文

Whitehead, George W. 1918-. Homotopy Theory. Cambridge, Mass.: M.I.T. Press, 1966.

警告：這些引文格式不一定是100％准確.