Arny. (2004). EXPLORATIONS: An introduction to astronomy (3rd ed. updated.). Boston: McGraw-Hill.
Chicago Style CitationArny. EXPLORATIONS: An Introduction to Astronomy. 3rd ed. updated. Boston: McGraw-Hill, 2004.
MLA CitationArny. EXPLORATIONS: An Introduction to Astronomy. 3rd ed. updated. Boston: McGraw-Hill, 2004.
Warning: These citations may not always be 100% accurate.