APA (7th ed.) Citation

Jordi, K., & Grebel, E. K. (2009). The search for tidal tails of globular clusters: NGC4147. Globular Clusters - Guides to Galaxies.

Chicago Style (17th ed.) Citation

Jordi, Katrin, and Eva K. Grebel. "The Search for Tidal Tails of Globular Clusters: NGC4147." Globular Clusters - Guides to Galaxies 2009.

MLA (9th ed.) Citation

Jordi, Katrin, and Eva K. Grebel. "The Search for Tidal Tails of Globular Clusters: NGC4147." Globular Clusters - Guides to Galaxies, 2009.

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