Παραπομπή APA

Brown, S. B. B. (1946). Realm of science, Vol.16: The substance of our world - Earth, water and air.

Παραπομπή Chicago Style

Brown, Stanley B; Brown. Realm of Science, Vol.16: The Substance of Our World - Earth, Water and Air. Touchstone Publishing Company, Kentucky, 1946.

Παραπομπή MLA

Brown, Stanley B; Brown. Realm of Science, Vol.16: The Substance of Our World - Earth, Water and Air. 1946.