Gaya APA

Inquiry into life. (2006). New York: [s.n.].

Gaya Chicago

Inquiry into life. . New York: [s.n.], 2006. Text.

Gaya MLA

Inquiry into life. . New York: [s.n.], 2006. Text.

Gaya Turabian

Inquiry into life. New York: [s.n.], 2006. Print.