World pollen and spore flora.
APA Citation
Nilsson, S. T. (Siwert Tage)., Scandinavian Palynological Collegium. (1973). World pollen and spore flora. Stockholm: Almquist and Wiksell Periodical Co..
MLA Citation
Nilsson, S. T. (Siwert Tage), 1933-, and Scandinavian Palynological Collegium. World Pollen And Spore Flora. Stockholm: Almquist and Wiksell Periodical Co., 1973.
Warning: These citations may not always be complete (especially for serials).