APA (7th ed.) Citation

Frey, R. W. (1975). The Study of Trace Fossils: A Synthesis of Principles, Problems, and Procedures in Ichnology. Springer Berlin Heidelberg.

Chicago Style (17th ed.) Citation

Frey, Robert W. The Study of Trace Fossils: A Synthesis of Principles, Problems, and Procedures in Ichnology. Berlin, Heidelberg: Springer Berlin Heidelberg, 1975.

MLA (9th ed.) Citation

Frey, Robert W. The Study of Trace Fossils: A Synthesis of Principles, Problems, and Procedures in Ichnology. Springer Berlin Heidelberg, 1975.