APA-Zitierstil (7. Ausg.)

Held, E. V., & Wagner, S. (1995). The globular cluster systems of two elliptical galaxies. Fresh views of elliptical galaxies.

Chicago-Zitierstil (17. Ausg.)

Held, Enrico V., und Stefan Wagner. "The Globular Cluster Systems of Two Elliptical Galaxies." Fresh Views of Elliptical Galaxies 1995.

MLA-Zitierstil (9. Ausg.)

Held, Enrico V., und Stefan Wagner. "The Globular Cluster Systems of Two Elliptical Galaxies." Fresh Views of Elliptical Galaxies, 1995.