APA-viite (7. p.)

Obourn, E. S. (1963). Discovering the world of science. D. Van Nostrand.

Chicago-viite (17. p.)

Obourn, Ellsworth S. Discovering the World of Science. Princeton, NJ: D. Van Nostrand, 1963.

MLA-viite (9. p.)

Obourn, Ellsworth S. Discovering the World of Science. D. Van Nostrand, 1963.