Parker, G. H. Animal colours changes and their neurohumours. Cambridge university press.
Stile di citazione ChicagoParker, George Howard. Animal Colours Changes and Their Neurohumours. Cambridge university press.
Citazione MLAParker, George Howard. Animal Colours Changes and Their Neurohumours. Cambridge university press.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.