Takalo, L. O., & Sillanpää, A. (1999). BL Lac phenomenon: Proceedings of a meeting held at Turku, Finland, 22 - 26 June 1998. Astronomical Society of the Pacific conference series.
Chicago Style (17th ed.) CitationTakalo, Leo O., and Aimo Sillanpää. "BL Lac Phenomenon: Proceedings of a Meeting Held at Turku, Finland, 22 - 26 June 1998." Astronomical Society of the Pacific Conference Series 1999.
MLA (9th ed.) CitationTakalo, Leo O., and Aimo Sillanpää. "BL Lac Phenomenon: Proceedings of a Meeting Held at Turku, Finland, 22 - 26 June 1998." Astronomical Society of the Pacific Conference Series, 1999.
Warning: These citations may not always be 100% accurate.