Cita APA (7a ed.)

Spar,Jerome. (1960). La ruta del tiempo (The way of the weather). Creative Educational Society.

Cita Chicago Style (17a ed.)

Spar,Jerome. La Ruta Del Tiempo (The Way of the Weather). Minnesotta - EEUU: Creative Educational Society, 1960.

Cita MLA (8a ed.)

Spar,Jerome. La Ruta Del Tiempo (The Way of the Weather). Creative Educational Society, 1960.