APA Citation

(1987). Thinkers of the twentieth century. Chicago: St. James Press.

Trích dẫn kiểu Chicago

Thinkers of the Twentieth Century. Chicago: St. James Press, 1987.

MLA Citation

Thinkers of the Twentieth Century. Chicago: St. James Press, 1987.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.