APA ציטוט
Skilling, W. T., & Richardson, R. S. (1946). Sun, moon and stars: Astronomy for beginners. McGrawHill.
Chicago Style (17th ed.) Citation
Skilling, William T., and Robert S. Richardson. Sun, Moon and Stars: Astronomy for Beginners. New York, London: McGrawHill, 1946.
ציטוט MLA
Skilling, William T., and Robert S. Richardson. Sun, Moon and Stars: Astronomy for Beginners. McGrawHill, 1946.
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