Classification of positions

Chicago citation style
Berne, Eric. Classification of positions. 1962. Retrieved from the Digital Public Library of America, https://calisphere.org/item/78b49942-aca7-4c30-83f6-eda7a5857d50. (Accessed December 12, 2018.)
APA citation style
Berne, Eric, (1962) Classification of positions. Retrieved from the Digital Public Library of America, https://calisphere.org/item/78b49942-aca7-4c30-83f6-eda7a5857d50
MLA citation style
Berne, Eric. Retrieved from the Digital Public Library of America <https://calisphere.org/item/78b49942-aca7-4c30-83f6-eda7a5857d50>.
Note: These citations are programmatically generated and may be incomplete.