APA (7th ed.) Citation

Hopp, U., Wagner, S., & Richtler, T. (1988). Globular clusters in NGC 676. Abstract series, 1, .

Chicago Style (17th ed.) Citation

Hopp, Ulrich, Stefan Wagner, and Tom Richtler. "Globular Clusters in NGC 676." Abstract Series 1 (1988).

MLA (9th ed.) Citation

Hopp, Ulrich, et al. "Globular Clusters in NGC 676." Abstract Series, vol. 1, 1988.