Cita APA

Aitken, W. W. (1936). Some common Iowa fishes. Iowa: Iowa State College Extension Service.

Citación estilo Chicago

Aitken, W. W. Some Common Iowa Fishes. Iowa: Iowa State College Extension Service, 1936.

Cita MLA

Aitken, W. W. Some Common Iowa Fishes. Iowa: Iowa State College Extension Service, 1936.

Precaución: Estas citas no son 100% exactas.