APA

McKerrow R. B., . (1927). An introduction to bibliography for literary students. Oxford: Clarendon press.

Chicago

McKerrow Ronald Brunlees, . 1927. An introduction to bibliography for literary students. Oxford: Clarendon press.

Harvard

McKerrow R. B., . (1927). An introduction to bibliography for literary students. Oxford: Clarendon press.

MLA

McKerrow Ronald Brunlees, . An introduction to bibliography for literary students. Oxford: Clarendon press. 1927.