Bakers, R. H. (1961). An introduction to astronomy. D. Van Nostrand.
芝加哥风格引文Bakers, Robert H. An Introduction to Astronomy. Princeton, NJ: D. Van Nostrand, 1961.
MLA引文Bakers, Robert H. An Introduction to Astronomy. D. Van Nostrand, 1961.
警告：这些引文格式不一定是100％准确.