Echini. The genus Colobocentrotus. By Alexander Agassiz ...
MLA
Agassiz, Alexander, 1835-1910. "Echini. The genus Colobocentrotus. By Alexander Agassiz ...." HathiTrust. 1908, http://hdl.handle.net/2027/uc1.31822012246047.
APA
Agassiz, Alexander, 1835-1910 (1908). Echini. The genus Colobocentrotus. By Alexander Agassiz .... Retrieved from http://hdl.handle.net/2027/uc1.31822012246047
Chicago
Agassiz, Alexander, 1835-1910. "Echini. The genus Colobocentrotus. By Alexander Agassiz ...." 1908. July 27, 2025. http://hdl.handle.net/2027/uc1.31822012246047.
