Appenzeller, I. (1974). Interaction between the Barnard Loop Nebula and the interstellar magnetic field. Astronomy and astrophysics, 36(1), .
Chicago Style (17th ed.) CitationAppenzeller, Immo. "Interaction Between the Barnard Loop Nebula and the Interstellar Magnetic Field." Astronomy and Astrophysics 36, no. 1 (1974).
MLA (9th ed.) CitationAppenzeller, Immo. "Interaction Between the Barnard Loop Nebula and the Interstellar Magnetic Field." Astronomy and Astrophysics, vol. 36, no. 1, 1974.
Warning: These citations may not always be 100% accurate.