Dellacasa, M. (2007). Systematic revision of the genus Cephalocyclus with description of ten new species from Mexico and Costa Rica (Scarabaeoidea: Aphodiidae). Instituto de Ecología, A.C.
Citazione stile Chigago Style (17a edizione)Dellacasa, Marco. Systematic Revision of the Genus Cephalocyclus with Description of Ten New Species from Mexico and Costa Rica (Scarabaeoidea: Aphodiidae). Instituto de Ecología, A.C, 2007.
Citatione MLA (9a ed.)Dellacasa, Marco. Systematic Revision of the Genus Cephalocyclus with Description of Ten New Species from Mexico and Costa Rica (Scarabaeoidea: Aphodiidae). Instituto de Ecología, A.C, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.