The Codex Sinaiticus and the Codex Alexandrinus.

MLA

Milne, Herbert John Mansfield, and T. C Skeat. The Codex Sinaiticus and the Codex Alexandrinus. 2d ed. London: Trustees of the British Museum, 1955.

APA

Milne, H. John Mansfield, & Skeat, T. C. (1955). The Codex Sinaiticus and the Codex Alexandrinus. 2d ed. London: Trustees of the British Museum.

Chicago

Milne, Herbert John Mansfield ed., and T. C Skeat ed. The Codex Sinaiticus and the Codex Alexandrinus. 2d ed. London: Trustees of the British Museum, 1955.