APA-referens

Shapiro, R. (1987). Origin: A skeptic's giude to the creation of life on earth. New York: Bantam.

Chicago-stil citat

Shapiro, Robert. Origin: A Skeptic's Giude to the Creation of Life On Earth. New York: Bantam, 1987.

MLA-referens

Shapiro, Robert. Origin: A Skeptic's Giude to the Creation of Life On Earth. New York: Bantam, 1987.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.