APA

Friesen V. L. A. D. J. S. T. E. J. H. S. E. A., . (2002). Molecular support for species status of the Nazca booby (Sula granti). : .

Chicago

Friesen V L Anderson D J Steeves T E Jones H Schreiber E A, . 2002. Molecular support for species status of the Nazca booby (Sula granti). : .

Harvard

Friesen V. L. A. D. J. S. T. E. J. H. S. E. A., . (2002). Molecular support for species status of the Nazca booby (Sula granti). : .

MLA

Friesen V L Anderson D J Steeves T E Jones H Schreiber E A, . Molecular support for species status of the Nazca booby (Sula granti). : . 2002.