APA (7th ed.) Citation

Grebel, E. K., Brandner, W., & Dieball, A. (1997). Be stars and the IMF of young clusters. Hipparcos and the nearby stars.

Chicago Style (17th ed.) Citation

Grebel, Eva K., Wolfgang Brandner, and Andrea Dieball. "Be Stars and the IMF of Young Clusters." Hipparcos and the Nearby Stars 1997.

MLA (9th ed.) Citation

Grebel, Eva K., et al. "Be Stars and the IMF of Young Clusters." Hipparcos and the Nearby Stars, 1997.