Sagar, R., & Wagner, S. (1999). Multi-colour optical monitoring of the intra-day variable blazar S5 0716+71. Astronomy & astrophysics. Supplement series, 134(3), . https://doi.org/10.1051/aas:1999149
Chicago Style (17th ed.) CitationSagar, Ram, and Stefan Wagner. "Multi-colour Optical Monitoring of the Intra-day Variable Blazar S5 0716+71." Astronomy & Astrophysics. Supplement Series 134, no. 3 (1999). https://doi.org/10.1051/aas:1999149.
MLA (9th ed.) CitationSagar, Ram, and Stefan Wagner. "Multi-colour Optical Monitoring of the Intra-day Variable Blazar S5 0716+71." Astronomy & Astrophysics. Supplement Series, vol. 134, no. 3, 1999, https://doi.org/10.1051/aas:1999149.
Warning: These citations may not always be 100% accurate.