Slavia Orthodoxa:
collected studies in the history of the Slavic Middle Ages,
by Ivan Dujčev. With a preface by Ihor Ševčenko.

APA Citation

Duĭchev, I. (1970). Slavia Orthodoxa: collected studies in the history of the Slavic Middle Ages. London: Variorum Reprints.

MLA Citation

Duĭchev, Ivan. Slavia Orthodoxa: Collected Studies In the History of the Slavic Middle Ages. London: Variorum Reprints, 1970.

Warning: These citations may not always be complete (especially for serials).