APA
Fitzhugh W. W., Ward E. I. & National Museum of Natural History. (2000). Vikings. Washington: Published by Smithsonian Institution Press in association with the National Museum of Natural History.
Chicago
Fitzhugh William W, Ward Elisabeth I and National Museum of Natural History. 2000. Vikings. Washington: Published by Smithsonian Institution Press in association with the National Museum of Natural History.
Harvard
Fitzhugh W. W., Ward E. I. and National Museum of Natural History. (2000). Vikings. Washington: Published by Smithsonian Institution Press in association with the National Museum of Natural History.
MLA
Fitzhugh William W, Ward Elisabeth I and National Museum of Natural History. Vikings. Washington: Published by Smithsonian Institution Press in association with the National Museum of Natural History. 2000.
