Παραπομπή σε μορφή APA (7η εκδ.)

Educational Services, Inc., Watertown, Mass. Elementary Science Study. (1965). Small things: An introduction to the microscopic world. Houghton Mifflin.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Educational Services, Inc., Watertown, Mass. Elementary Science Study. Small Things: An Introduction to the Microscopic World. New York: Houghton Mifflin, 1965.

Παραπομπή σε μορφή MLA (9th εκδ.)

Educational Services, Inc., Watertown, Mass. Elementary Science Study. Small Things: An Introduction to the Microscopic World. Houghton Mifflin, 1965.