APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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