APA
Harris C. R. S., . (1927). The philosophical doctrines of Duns Scotus. Oxford: Clarendon press.
Chicago
Harris C R S, . 1927. The philosophical doctrines of Duns Scotus. Oxford: Clarendon press.
Harvard
Harris C. R. S., . (1927). The philosophical doctrines of Duns Scotus. Oxford: Clarendon press.
MLA
Harris C R S, . The philosophical doctrines of Duns Scotus. Oxford: Clarendon press. 1927.
