Gaya APA
Santayana, George. (1998).
The Life Of Reason .
New York:
Prometheus Books.
Gaya Chicago
Santayana, George.
The Life Of Reason.
New York:
Prometheus Books,
1998.
Text.
Gaya MLA
Santayana, George.
The Life Of Reason.
New York:
Prometheus Books,
1998.
Text.
Gaya Turabian
Santayana, George.
The Life Of Reason.
New York:
Prometheus Books,
1998.
Print.