APA (7th ed.) Citation

Knigge, C., Coe, M., & Podsiadlowski, P. (2011). Two populations of X-ray pulsars produced by two types of supernova.

Chicago Style (17th ed.) Citation

Knigge, C., M. Coe, and P. Podsiadlowski. Two Populations of X-ray Pulsars Produced by Two Types of Supernova. 2011.

MLA (9th ed.) Citation

Knigge, C., et al. Two Populations of X-ray Pulsars Produced by Two Types of Supernova. 2011.

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