APA (7th ed.) Citation

Ackermann, M., & Heidt, J. (2012). Multi-wavelength observations of Blazar AO 0235+164 in the 2008 - 2009 flaring state. The astrophysical journal, 751(2), .

Chicago Style (17th ed.) Citation

Ackermann, Markus, and Jochen Heidt. "Multi-wavelength Observations of Blazar AO 0235+164 in the 2008 - 2009 Flaring State." The Astrophysical Journal 751, no. 2 (2012).

MLA (9th ed.) Citation

Ackermann, Markus, and Jochen Heidt. "Multi-wavelength Observations of Blazar AO 0235+164 in the 2008 - 2009 Flaring State." The Astrophysical Journal, vol. 751, no. 2, 2012.

Warning: These citations may not always be 100% accurate.