Citazione Stile APA (7a Edizione)

Artal, P. (2013). Archaeoportunus isabenensis, a new genus and species of portunoid crab (Crustacea, Decapoda) from the lower Eocene of Huesca (Spain). Sociedad Geológica Mexicana, A.C.

Citazione stile Chigago Style (17a edizione)

Artal, Pedro. Archaeoportunus Isabenensis, a New Genus and Species of Portunoid Crab (Crustacea, Decapoda) from the Lower Eocene of Huesca (Spain). Sociedad Geológica Mexicana, A.C, 2013.

Citatione MLA (9a ed.)

Artal, Pedro. Archaeoportunus Isabenensis, a New Genus and Species of Portunoid Crab (Crustacea, Decapoda) from the Lower Eocene of Huesca (Spain). Sociedad Geológica Mexicana, A.C, 2013.