APA引文

Observatory, A. Miscellaneous scientific papers of the Allegheny Observatory. Pittsburgh, Pa.

Chicago Style Citation

Observatory, Allegheny. Miscellaneous Scientific Papers of the Allegheny Observatory. Pittsburgh, Pa.

MLA引文

Observatory, Allegheny. Miscellaneous Scientific Papers of the Allegheny Observatory. Pittsburgh, Pa.

警告：这些引文格式不一定是100％准确.