MLA

Jensen, Hans Arne. Macrofossils and Their Contribution to the History of the Spermatophyte Flora In Southern Scandinavia From 13000 Bp to 1536 Ad. Copenhagen: Royal Danish Academy of Sciences and Letters , 1987.

APA

Jensen, H. Arne. (1987). Macrofossils and their contribution to the history of the spermatophyte flora in southern Scandinavia from 13000 BP to 1536 AD. Copenhagen: Royal Danish Academy of Sciences and Letters .

Chicago

Jensen, Hans Arne Macrofossils and Their Contribution to the History of the Spermatophyte Flora In Southern Scandinavia From 13000 BP to 1536 AD. Copenhagen: Royal Danish Academy of Sciences and Letters, 1987.