APA

Hedgpeth J. W., . (1969). An intertidal reconnaissance of rocky shores of the Galápagos. : .

Chicago

Hedgpeth Joel W, . 1969. An intertidal reconnaissance of rocky shores of the Galápagos. : .

Harvard

Hedgpeth J. W., . (1969). An intertidal reconnaissance of rocky shores of the Galápagos. : .

MLA

Hedgpeth Joel W, . An intertidal reconnaissance of rocky shores of the Galápagos. : . 1969.