APA (7th ed.) Citation

Shannon, R. (2015). Limits on first structure formation from pulsar timing.

Chicago Style (17th ed.) Citation

Shannon, Ryan. Limits on First Structure Formation from Pulsar Timing. 2015.

MLA (9th ed.) Citation

Shannon, Ryan. Limits on First Structure Formation from Pulsar Timing. 2015.

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