Holland, H. R. (1940). Norse discoveries and explorations in America 982-1362: Leif-Erikson to the Kengsington Stone. Dover Pubs.
芝加哥风格引文Holland, Hjalmar R. Norse Discoveries and Explorations in America 982-1362: Leif-Erikson to the Kengsington Stone. New York: Dover Pubs, 1940.
MLA引文Holland, Hjalmar R. Norse Discoveries and Explorations in America 982-1362: Leif-Erikson to the Kengsington Stone. Dover Pubs, 1940.
警告：这些引文格式不一定是100％准确.