APA (7th ed.) Citation

Erdtman, G. (1954). An introduction to pollen analysis ([2d somewhat rev. printing].). Chronica Botanica.

Chicago Style (17th ed.) Citation

Erdtman, G. An Introduction to Pollen Analysis. [2d somewhat rev. printing]. Waltham, Mass.: Chronica Botanica, 1954.

MLA (9th ed.) Citation

Erdtman, G. An Introduction to Pollen Analysis. [2d somewhat rev. printing]. Chronica Botanica, 1954.