APA (7th ed.) Citation

Heidt, J. (1999). IES 1741+196: A BL Lacertae object in a triplet of interacting galaxies? Astronomy and astrophysics, 348, .

Chicago Style (17th ed.) Citation

Heidt, Jochen. "IES 1741+196: A BL Lacertae Object in a Triplet of Interacting Galaxies?" Astronomy and Astrophysics 348 (1999).

MLA (9th ed.) Citation

Heidt, Jochen. "IES 1741+196: A BL Lacertae Object in a Triplet of Interacting Galaxies?" Astronomy and Astrophysics, vol. 348, 1999.