APA (7th ed.) Citation

Appenzeller, I. (1977). Image tube spectrograms of southern young emission line objects. Astronomy and astrophysics, 61(1), .

Chicago Style (17th ed.) Citation

Appenzeller, Immo. "Image Tube Spectrograms of Southern Young Emission Line Objects." Astronomy and Astrophysics 61, no. 1 (1977).

MLA (9th ed.) Citation

Appenzeller, Immo. "Image Tube Spectrograms of Southern Young Emission Line Objects." Astronomy and Astrophysics, vol. 61, no. 1, 1977.