Erdtman, G. (1943). Introduction to pollen analysis. Chronica Botanica Co.
Chicago Edition CitationErdtman, G. Introduction to Pollen Analysis. U S A: Chronica Botanica Co, 1943.
MLA Edition CitationErdtman, G. Introduction to Pollen Analysis. Chronica Botanica Co, 1943.
Warning: These citations may not always be 100% accurate.