APA (7th ed.) Citation

Reach, W. T., Kelley, M. S., & Sykes, M. V. (2007). A survey of debris trails from short-period comets.

Chicago Style (17th ed.) Citation

Reach, William T., Michael S. Kelley, and Mark V. Sykes. A Survey of Debris Trails from Short-period Comets. 2007.

MLA (9th ed.) Citation

Reach, William T., et al. A Survey of Debris Trails from Short-period Comets. 2007.