APA (7th ed.) Citation

Sillanpää, A., & Heidt, J. (1997). Double-peak structure in the cyclic optical outbursts of blazar OJ 287. Astronomy and astrophysics, 315, .

Chicago Style (17th ed.) Citation

Sillanpää, Aimo, and Jochen Heidt. "Double-peak Structure in the Cyclic Optical Outbursts of Blazar OJ 287." Astronomy and Astrophysics 315 (1997).

MLA (9th ed.) Citation

Sillanpää, Aimo, and Jochen Heidt. "Double-peak Structure in the Cyclic Optical Outbursts of Blazar OJ 287." Astronomy and Astrophysics, vol. 315, 1997.