APA (7th ed.) Citation

Blécha, A. B., Heidt, J., & Wagner, S. (1994). Ground-based observations of PKS 2155-304 in November 1991. Multi-wavelength continuum emission of agn.

Chicago Style (17th ed.) Citation

Blécha, André B., Jochen Heidt, and Stefan Wagner. "Ground-based Observations of PKS 2155-304 in November 1991." Multi-wavelength Continuum Emission of Agn 1994.

MLA (9th ed.) Citation

Blécha, André B., et al. "Ground-based Observations of PKS 2155-304 in November 1991." Multi-wavelength Continuum Emission of Agn, 1994.