APA

McKerrow R., . (1927). An introduction to bibliogaphy for literary students. London: Oxford at the Clarendon Press.

Chicago

McKerrow Ronald, . 1927. An introduction to bibliogaphy for literary students. London: Oxford at the Clarendon Press.

Harvard

McKerrow R., . (1927). An introduction to bibliogaphy for literary students. London: Oxford at the Clarendon Press.

MLA

McKerrow Ronald, . An introduction to bibliogaphy for literary students. London: Oxford at the Clarendon Press. 1927.