Cita APA (7a ed.)

Birley, S. (1998). Entrepreneurship. Ashgate [etc.].

Cita Chicago Style (17a ed.)

Birley, Sue. Entrepreneurship. Aldershot [etc.]: Ashgate [etc.], 1998.

Cita MLA (9a ed.)

Birley, Sue. Entrepreneurship. Ashgate [etc.], 1998.