Cita APA (7a ed.)

Preston, P. W. (1982). Theories of development (First published.). Routledge & Kegan Paul.

Cita Chicago Style (17a ed.)

Preston, P. W.. Theories of Development. First published. London ; Boston ; Melbourne ; Henley: Routledge & Kegan Paul, 1982.

Cita MLA (9a ed.)

Preston, P. W.. Theories of Development. First published. Routledge & Kegan Paul, 1982.