Thomas, L. (1980). The medusa and the snail: More notes of a biology watcher. Bantam Books.
Citazione stile Chigago Style (17a edizione)Thomas, Lewis. The Medusa and the Snail: More Notes of a Biology Watcher. Toronto: Bantam Books, 1980.
Citatione MLA (9a ed.)Thomas, Lewis. The Medusa and the Snail: More Notes of a Biology Watcher. Bantam Books, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.