Cita APA (7th ed.)

Blaxter, J. H. S., Gamble, J. C., & Westernhagen, H. V. (1989). The early life history of fish. International Council for the Exploration of the Sea.

Cita Chicago (17th ed.)

Blaxter, J. H. S., J. C. Gamble, i H. V. Westernhagen. The Early Life History of Fish. Copenhague: International Council for the Exploration of the Sea, 1989.

Cita MLA (9th ed.)

Blaxter, J. H. S., et al. The Early Life History of Fish. International Council for the Exploration of the Sea, 1989.