Gaya APA

Sis, P. (2003). The Tree of Life : a book depicting the life of charies darwin : naturalist, geologist & Thinker . New York: Frances Foster Books.

Gaya MLA

Sis, Peter. "The Tree of Life : a book depicting the life of charies darwin : naturalist, geologist & Thinker". New York: Frances Foster Books, 2003. Text.