Cita APA (7a ed.)

Donnellan, C. (1994). The vegetarian choice. [s.n].

Cita Chicago Style (17a ed.)

Donnellan, Craig. The Vegetarian Choice. Independence, Cambridge: [s.n], 1994.

Cita MLA (9a ed.)

Donnellan, Craig. The Vegetarian Choice. [s.n], 1994.