APA

Bianucci G., Cantalamessa G., Landini W., Piccini M., Ragaini L., Valleri G. & Varola A. (1992). The old beach sediments of Puerto Villamil, Isabela Island, Galapagos Archipelago (Ecuador): (abstract). : .

Chicago

Bianucci Giovanni, Cantalamessa Gino, Landini Walter, Piccini Maurizio, Ragaini Luca, Valleri Gigliola and Varola Angelo. 1992. The old beach sediments of Puerto Villamil, Isabela Island, Galapagos Archipelago (Ecuador): (abstract). : .

Harvard

Bianucci G., Cantalamessa G., Landini W., Piccini M., Ragaini L., Valleri G. and Varola A. (1992). The old beach sediments of Puerto Villamil, Isabela Island, Galapagos Archipelago (Ecuador): (abstract). : .

MLA

Bianucci Giovanni, Cantalamessa Gino, Landini Walter, Piccini Maurizio, Ragaini Luca, Valleri Gigliola and Varola Angelo. The old beach sediments of Puerto Villamil, Isabela Island, Galapagos Archipelago (Ecuador): (abstract). : . 1992.