APA (7th ed.) Citation

Hakkert, A. M. (1967). A Collection of papyri, Greek and Coptic: From the second century B.C. to the the eight century A.D. Acta classica.

Chicago Style (17th ed.) Citation

Hakkert, Adolf M. "A Collection of Papyri, Greek and Coptic: From the Second Century B.C. to the the Eight Century A.D." Acta Classica 1967.

MLA (9th ed.) Citation

Hakkert, Adolf M. "A Collection of Papyri, Greek and Coptic: From the Second Century B.C. to the the Eight Century A.D." Acta Classica, 1967.

Warning: These citations may not always be 100% accurate.