Heithausen, A. (1987). The ring around the neck of the giraffe: Galactic cirrus clouds associated with the Polar Loop. Universität Bonn.
Chicago Style (17th ed.) CitationHeithausen, Andreas. The Ring Around the Neck of the Giraffe: Galactic Cirrus Clouds Associated with the Polar Loop. Germany: Universität Bonn, 1987.
MLA引文Heithausen, Andreas. The Ring Around the Neck of the Giraffe: Galactic Cirrus Clouds Associated with the Polar Loop. Universität Bonn, 1987.
警告:这些引文格式不一定是100%准确.