Cita APA

Croxall, J., Evans, P., & Schreiber, R. (1984). Status and conservation of the world's seabirds. Inglaterra: International Council for Bird Preservation.

Citación estilo Chicago

Croxall, J.P., P.G.H. Evans, y R.W. Schreiber. Status and Conservation of the World's Seabirds. Inglaterra: International Council for Bird Preservation, 1984.

Cita MLA

Croxall, J.P., P.G.H. Evans, y R.W. Schreiber. Status and Conservation of the World's Seabirds. Inglaterra: International Council for Bird Preservation, 1984.