Jacobson, M. K., & Boss, K. J. (1973). The Jamaican land shells described by C. B. Adams. Zenodo.
Citazione stile Chigago Style (17a edizione)Jacobson, Morris K., e Kenneth J. Boss. The Jamaican Land Shells Described by C. B. Adams. Zenodo, 1973.
Citatione MLA (9a ed.)Jacobson, Morris K., e Kenneth J. Boss. The Jamaican Land Shells Described by C. B. Adams. Zenodo, 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.