Cita APA

Jackson, P., & Kemf, E. (1994). Tigers in the wild. Switzerland: World Wide Fund For Nature.

Citación estilo Chicago

Jackson, Peter, y Elizabeth Kemf. Tigers in the Wild. Switzerland: World Wide Fund For Nature, 1994.

Cita MLA

Jackson, Peter, y Elizabeth Kemf. Tigers in the Wild. Switzerland: World Wide Fund For Nature, 1994.