APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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