Erdtman, G. (1971). Pollen morphology and plant taxonomy: Angiosperms ; with 261 ill. (or groups of illustr.) based on the author's originals by Anna-Lisa Nilsson (2. print., (Corrected reprint of the ed. of 1952 with a new addendum).). Hafner.
Chicago Style (17th ed.) CitationErdtman, G. Pollen Morphology and Plant Taxonomy: Angiosperms ; with 261 Ill. (or Groups of Illustr.) Based on the Author's Originals by Anna-Lisa Nilsson. 2. print., (Corrected reprint of the ed. of 1952 with a new addendum). New York: Hafner, 1971.
MLA (9th ed.) CitationErdtman, G. Pollen Morphology and Plant Taxonomy: Angiosperms ; with 261 Ill. (or Groups of Illustr.) Based on the Author's Originals by Anna-Lisa Nilsson. 2. print., (Corrected reprint of the ed. of 1952 with a new addendum). Hafner, 1971.