Gaya APA

The Living World. (2006). New York: [s.n.].

Gaya Chicago

The Living World. . New York: [s.n.], 2006. Text.

Gaya MLA

The Living World. . New York: [s.n.], 2006. Text.

Gaya Turabian

The Living World. New York: [s.n.], 2006. Print.