Mark Petracla, Political Science professor with class.

Chicago citation style
Mark Petracla, Political Science professor with class.. 1990-11. Retrieved from the Digital Public Library of America, https://calisphere.org/item/db76bda7-fc5d-47b8-a26d-50fbc40379b4. (Accessed December 17, 2018.)
APA citation style
(1990-11) Mark Petracla, Political Science professor with class.. Retrieved from the Digital Public Library of America, https://calisphere.org/item/db76bda7-fc5d-47b8-a26d-50fbc40379b4
MLA citation style
Retrieved from the Digital Public Library of America <https://calisphere.org/item/db76bda7-fc5d-47b8-a26d-50fbc40379b4>.
Note: These citations are programmatically generated and may be incomplete.