Helland, M. (1980). There were giants: The life of James H. Wilbur. M. Helland.
Style de citation Chicago (17e éd.)Helland, Maurice. There Were Giants: The Life of James H. Wilbur. Yakima, WA (5309 Crest Dr., Yakima 98908): M. Helland, 1980.
Style de citation MLA (8e éd.)Helland, Maurice. There Were Giants: The Life of James H. Wilbur. M. Helland, 1980.
Attention : ces citations peuvent ne pas être correctes à 100%.