APA-Zitierstil (7. Ausg.)

Appenzeller, I., & Wendker, H. J. (1980). The Cygnus X region: XII. on the excitation and distance of the Gamma Cygni H II region. Astronomy and astrophysics, 89(1/2), .

Chicago-Zitierstil (17. Ausg.)

Appenzeller, Immo, und Heinrich J. Wendker. "The Cygnus X Region: XII. on the Excitation and Distance of the Gamma Cygni H II Region." Astronomy and Astrophysics 89, no. 1/2 (1980).

MLA-Zitierstil (9. Ausg.)

Appenzeller, Immo, und Heinrich J. Wendker. "The Cygnus X Region: XII. on the Excitation and Distance of the Gamma Cygni H II Region." Astronomy and Astrophysics, vol. 89, no. 1/2, 1980.