APA

Gunstream S. E., Babel J. S., . (1986). Explorations in basic biology. New York: Macmillan.

Chicago

Gunstream Stanley E, Babel John Stanley, . 1986. Explorations in basic biology. New York: Macmillan.

Harvard

Gunstream S. E., Babel J. S., . (1986). Explorations in basic biology. New York: Macmillan.

MLA

Gunstream Stanley E, Babel John Stanley, . Explorations in basic biology. New York: Macmillan. 1986.