MLA

Hawkins, John C. Horae Synopticae : Contributions to the Study of the Synoptic Problem. Oxford: Clarendon press, 1899.

APA

Hawkins, J. C. (1899). Horae synopticae : contributions to the study of the synoptic problem. Oxford: Clarendon press.

Chicago

Hawkins, John C. Horae Synopticae: Contributions to the Study of the Synoptic Problem. Oxford: Clarendon press, 1899.