APA-Zitierstil (7. Ausg.)

Ludwig, H. (1905). Asteroidea: By Hubert Ludwig. With 35 Plates and a Chart of the Route. <Published by Permission of Marshall McDonald and George M. Bowers etc.>. Print. for the Museum.

Chicago-Zitierstil (17. Ausg.)

Ludwig, Hubert. Asteroidea: By Hubert Ludwig. With 35 Plates and a Chart of the Route. <Published by Permission of Marshall McDonald and George M. Bowers Etc.>. Cambridge, USA: Print. for the Museum, 1905.

MLA-Zitierstil (9. Ausg.)

Ludwig, Hubert. Asteroidea: By Hubert Ludwig. With 35 Plates and a Chart of the Route. <Published by Permission of Marshall McDonald and George M. Bowers Etc.>. Print. for the Museum, 1905.