APA-viite (7. p.)

Guttman, B. S., & Hopkins, J. W. (1983). Understanding biology. Harcourt Jovanovich.

Chicago-viite (17. p.)

Guttman, Burton S., ja Johns W. Hopkins. Understanding Biology. New York: Harcourt Jovanovich, 1983.

MLA-viite (9. p.)

Guttman, Burton S., ja Johns W. Hopkins. Understanding Biology. Harcourt Jovanovich, 1983.