Cita APA

Catalan, G. I. (1980). Earthworm raising: A gold mine. s.n.].

Citación estilo Chicago

Catalan, Gabriel Isada. Earthworm Raising: A Gold Mine. [S.l: s.n.], 1980.

Cita MLA

Catalan, Gabriel Isada. Earthworm Raising: A Gold Mine. s.n.], 1980.

Warning: These citations may not always be 100% accurate.