Smith, T. G. (1975). Learning about magnetism (2. edición.). Chicago, III.: Encyclopaedia Britannica Educational.
Chicago Style CitationSmith, Thomas G. Learning About Magnetism. 2. edición. Chicago, III.: Encyclopaedia Britannica Educational, 1975.
MLA CitationSmith, Thomas G. Learning About Magnetism. 2. edición. Chicago, III.: Encyclopaedia Britannica Educational, 1975.
Warning: These citations may not always be 100% accurate.