APA

Schuster J. C., .Biotic areas and the distribution of passalid beetles (Coleoptera) in Northern Central America. : .

Chicago

Schuster Jack C, .Biotic areas and the distribution of passalid beetles (Coleoptera) in Northern Central America. : .

Harvard

Schuster J. C., .Biotic areas and the distribution of passalid beetles (Coleoptera) in Northern Central America. : .

MLA

Schuster Jack C, .: . .