Newberg, D. W. (1974). A study guide to Earth. US: W.H. Freeman and company, San Francisco.
Chicago Style CitationNewberg, Donald W. A Study Guide to Earth. US: W.H. Freeman and company, San Francisco, 1974.
MLA CitationNewberg, Donald W. A Study Guide to Earth. US: W.H. Freeman and company, San Francisco, 1974.
Warning: These citations may not always be 100% accurate.