Cita APA (7a ed.)

ROGER , A. (1997). YELLOW HIPPO: LITTLE GIANT SERIES.

Cita Chicago Style (17a ed.)

ROGER , ALAN. YELLOW HIPPO: LITTLE GIANT SERIES. 1997.

Cita MLA (9a ed.)

ROGER , ALAN. YELLOW HIPPO: LITTLE GIANT SERIES. 1997.