APA Style

Koumans, F, P. (1953). Biological results of the Snellius Expedition: XVI. the pisces and leptocardii of the Snellius Expedition (16). Belanda: E.J. Brill, Leiden, Belanda.

MLA Style

Koumans, F., P.. "Biological results of the Snellius Expedition: XVI. the pisces and leptocardii of the Snellius Expedition". 16 Belanda: E.J. Brill, Leiden, Belanda, 1953. Text.