APA (7th ed.) Citation

Heidt, J., & Wagner, S. (1991). Spectral variability of the BL Lac-Object S5 0716+71. Abstract series, 6, .

Chicago Style (17th ed.) Citation

Heidt, Jochen, and Stefan Wagner. "Spectral Variability of the BL Lac-Object S5 0716+71." Abstract Series 6 (1991).

MLA (9th ed.) Citation

Heidt, Jochen, and Stefan Wagner. "Spectral Variability of the BL Lac-Object S5 0716+71." Abstract Series, vol. 6, 1991.