Cita APA (7a ed.)

Christensen, K. (1995). The Green Home: How to make your world a better palce. [s.n].

Cita Chicago Style (17a ed.)

Christensen, Karen. The Green Home: How to Make Your World a Better Palce. Judy PiatkuS, London: [s.n], 1995.

Cita MLA (9a ed.)

Christensen, Karen. The Green Home: How to Make Your World a Better Palce. [s.n], 1995.