APA-Zitierstil (7. Ausg.)

(1991). Fossil and recent sponges: [proceedings of a symposium held Sept. 26 - 28, 1988, Berlin]. Springer.

Chicago-Zitierstil (17. Ausg.)

Fossil and Recent Sponges: [proceedings of a Symposium Held Sept. 26 - 28, 1988, Berlin]. Berlin u.a: Springer, 1991.

MLA-Zitierstil (9. Ausg.)

Fossil and Recent Sponges: [proceedings of a Symposium Held Sept. 26 - 28, 1988, Berlin]. Springer, 1991.