Cita APA

Umberto Eco & James Fentress. (1995). The search for the perfect language. Harper Collins.

Citación estilo Chicago

Umberto Eco and James Fentress. The Search for the Perfect Language. London: Harper Collins, 1995.

Cita MLA

Umberto Eco and James Fentress. The Search for the Perfect Language. Harper Collins, 1995.

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