Proceedings of the twelfth international congress of papyrology /
edited by Deborah H. Samuel.

APA Citation

International Congress of Papyrology., Samuel, D. H. (Deborah Hobson). (1970). Proceedings of the twelfth international congress of papyrology. Toronto: Hakkert, Adolf M..

MLA Citation

International Congress of Papyrology, and Deborah H. (Deborah Hobson) Samuel. Proceedings of the Twelfth International Congress of Papyrology. Toronto: Hakkert, Adolf M., 1970.

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