Gaya APA
Adler, M, J. (1993).
Great Books of The Western World : Ptolemy - Copernicus - Kepler (15) (15 (dari 10 jilid)).
Chicago:
Robert P. Gwinn.
Gaya MLA
Adler, Mortimer, J..
"Great Books of The Western World : Ptolemy - Copernicus - Kepler (15)".
15 (dari 10 jilid)
Chicago:
Robert P. Gwinn,
1993.
Text.