APA (7th ed.) Citation

Appenzeller, I. (1979). The YY Orionis stars in the chamaeleon t-association. Astronomy and astrophysics, 71(3), .

Chicago Style (17th ed.) Citation

Appenzeller, Immo. "The YY Orionis Stars in the Chamaeleon T-association." Astronomy and Astrophysics 71, no. 3 (1979).

MLA (9th ed.) Citation

Appenzeller, Immo. "The YY Orionis Stars in the Chamaeleon T-association." Astronomy and Astrophysics, vol. 71, no. 3, 1979.