Cita APA (7a ed.)

Echenique, M. (1969). Development of a model of a Town. [s.n.].

Cita Chicago Style (17a ed.)

Echenique, Marcial. Development of a Model of a Town. London: [s.n.], 1969.

Cita MLA (9a ed.)

Echenique, Marcial. Development of a Model of a Town. [s.n.], 1969.