APA (7th ed.) Citation

Krichbaum, T., Graham, D., Witzel, A., Zensus, J., Greve, A., Grewing, M., . . . Beasley, A. (2002). A high-frequency and multi-epoch VLBI study of 3C 273.

Chicago Style (17th ed.) Citation

Krichbaum, T., D. Graham, A. Witzel, J. Zensus, A. Greve, M. Grewing, A. Marscher, and A. Beasley. A High-frequency and Multi-epoch VLBI Study of 3C 273. 2002.

MLA (9th ed.) Citation

Krichbaum, T., et al. A High-frequency and Multi-epoch VLBI Study of 3C 273. 2002.