Citazione APA

Bleeker, P. (1972). Papers on fishes V4: V4. Asher company.

Stile di citazione Chicago

Bleeker, Pieter. Papers on Fishes V4: V4. Amsterdam: Asher company, 1972.

Citazione MLA

Bleeker, Pieter. Papers on Fishes V4: V4. Asher company, 1972.