Gaya APA
Adler, M, J. (1993).
Great Books of The Great Western World ; Charles Darwin (49) (49 (dari 60 jilid)).
Chicago:
Robert P. Gwinn.
Gaya MLA
Adler, Mortimer, J..
"Great Books of The Great Western World ; Charles Darwin (49)".
49 (dari 60 jilid)
Chicago:
Robert P. Gwinn,
1993.
Text.