APA

Nordlie B. E., . (1980). Volcanic-gas and petrologic investigations of Galápagos Islands calderas. : .

Chicago

Nordlie Bert E, . 1980. Volcanic-gas and petrologic investigations of Galápagos Islands calderas. : .

Harvard

Nordlie B. E., . (1980). Volcanic-gas and petrologic investigations of Galápagos Islands calderas. : .

MLA

Nordlie Bert E, . Volcanic-gas and petrologic investigations of Galápagos Islands calderas. : . 1980.