Cita APA (7a ed.)

Bostock, D. (1974). Logic and arithmetic: Natural numbers. Clarendon Pr..

Cita Chicago Style (17a ed.)

Bostock, David. Logic and Arithmetic: Natural Numbers. Oxford: Clarendon Pr., 1974.

Cita MLA (9a ed.)

Bostock, David. Logic and Arithmetic: Natural Numbers. Clarendon Pr., 1974.