Cita APA

Gaskell, P. (1972). A New introduction to bibliography. Clarendon Pr.

Citación estilo Chicago

Gaskell, Philip. A New Introduction to Bibliography. Oxford: Clarendon Pr, 1972.

Cita MLA

Gaskell, Philip. A New Introduction to Bibliography. Clarendon Pr, 1972.

Warning: These citations may not always be 100% accurate.