APA

Duffy D. C., . (1982). Patterns of piracy in the seabird communities of the Galapagos Islands and southern Africa. : .

Chicago

Duffy D C, . 1982. Patterns of piracy in the seabird communities of the Galapagos Islands and southern Africa. : .

Harvard

Duffy D. C., . (1982). Patterns of piracy in the seabird communities of the Galapagos Islands and southern Africa. : .

MLA

Duffy D C, . Patterns of piracy in the seabird communities of the Galapagos Islands and southern Africa. : . 1982.