Crustacea,
by G. O. Sars.
APA Citation
Sars, G. O. (Georg Ossian). (1900). Crustacea. [London: Longmans, Green, and co.; etc., etc..
MLA Citation
Sars, G. O. (Georg Ossian), 1837-1927. Crustacea. [London: Longmans, Green, and co.; etc., etc., 1900.
Warning: These citations may not always be complete (especially for serials).