APA
Procopius, . (1966). Secret history. Toronto: Ann Arbor Paperbacks; The University of Michigan Press.
Chicago
Procopius, . 1966. Secret history. Toronto: Ann Arbor Paperbacks; The University of Michigan Press.
Harvard
Procopius, . (1966). Secret history. Toronto: Ann Arbor Paperbacks; The University of Michigan Press.
MLA
Procopius, . Secret history. Toronto: Ann Arbor Paperbacks; The University of Michigan Press. 1966.
