Fragments of an unknown gospel and other early Christian papyri,

MLA

Bell, H. Idris, and T. C Skeat. Fragments of an Unknown Gospel and Other Early Christian Papyri. London: Published by the Trustees [of the British museum], 1935.

APA

Bell, H. Idris, & Skeat, T. C. (1935). Fragments of an unknown gospel and other early Christian papyri. London: Published by the Trustees [of the British museum].

Chicago

Bell, H. Idris ed., and T. C Skeat ed. Fragments of an Unknown Gospel and Other Early Christian Papyri,. London: Published by the Trustees [of the British museum], 1935.