Citazione Stile APA (7a Edizione)

Barnard, J. D. (1962). The macmillan science life series book 4 (rev.ed.). Macmillan.

Citazione stile Chigago Style (17a edizione)

Barnard, John Darrell. The Macmillan Science Life Series Book 4. rev.ed. New York: Macmillan, 1962.

Citatione MLA (9a ed.)

Barnard, John Darrell. The Macmillan Science Life Series Book 4. rev.ed. Macmillan, 1962.