APA (7th ed.) Citation

Ashman, K. M., & Zepf, S. E. (1998). Globular cluster systems (1. publ.). Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Ashman, Keith M., and Stephen E. Zepf. Globular Cluster Systems. 1. publ. Cambridge [u.a.]: Cambridge Univ. Press, 1998.

MLA (9th ed.) Citation

Ashman, Keith M., and Stephen E. Zepf. Globular Cluster Systems. 1. publ. Cambridge Univ. Press, 1998.