APA-Zitierstil (7. Ausg.)

Frey, R. W. (1975). The study of trace fossils: A synthesis of principles, problems, and procedures. Springer-Verlag.

Chicago-Zitierstil (17. Ausg.)

Frey, Robert W. The Study of Trace Fossils: A Synthesis of Principles, Problems, and Procedures. Springer-Verlag: Springer-Verlag, 1975.

MLA-Zitierstil (9. Ausg.)

Frey, Robert W. The Study of Trace Fossils: A Synthesis of Principles, Problems, and Procedures. Springer-Verlag, 1975.