APA

Croxall J. P., Evans P. G. H. & Schreiber R. W. (1984). Status and conservation of the World's seabirds. England: Internacional Council for Bird Preservation.

Chicago

Croxall J P, Evans P G H and Schreiber R W. 1984. Status and conservation of the World's seabirds. England: Internacional Council for Bird Preservation.

Harvard

Croxall J. P., Evans P. G. H. and Schreiber R. W. (1984). Status and conservation of the World's seabirds. England: Internacional Council for Bird Preservation.

MLA

Croxall J P, Evans P G H and Schreiber R W. Status and conservation of the World's seabirds. England: Internacional Council for Bird Preservation. 1984.