APA (7th ed.) Citation

Kissler-Patig, M., Grebel, E. K., & Wagner, S. (1993). NGC 4636: A rich globular cluster system in a normal elliptical galaxy. Abstract series, 9, .

Chicago Style (17th ed.) Citation

Kissler-Patig, Markus, Eva K. Grebel, and Stefan Wagner. "NGC 4636: A Rich Globular Cluster System in a Normal Elliptical Galaxy." Abstract Series 9 (1993).

MLA (9th ed.) Citation

Kissler-Patig, Markus, et al. "NGC 4636: A Rich Globular Cluster System in a Normal Elliptical Galaxy." Abstract Series, vol. 9, 1993.