L Barbara Brown & Stanley B Brown. (1972). Realm of science. V.11: Atoms, stars and nebule. Kentucky.
Chicago Edition CitationL Barbara Brown and Stanley B Brown. Realm of Science. V.11: Atoms, Stars and Nebule. Kentucky, 1972.
MLA Edition CitationL Barbara Brown and Stanley B Brown. Realm of Science. V.11: Atoms, Stars and Nebule. Kentucky, 1972.
Warning: These citations may not always be 100% accurate.