APA引文

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.) Citation

Heithausen, 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：這些引文格式不一定是100％准確.