Citação norma APA

Himalayan Environment Trust (India). (1991). The Himalayas: Ecology & environment. Himalayan Environment Trust.

Citação norma Chicago

Himalayan Environment Trust (India). The Himalayas: Ecology & Environment. New Delhi: Himalayan Environment Trust, 1991.

Citação norma MLA

Himalayan Environment Trust (India). The Himalayas: Ecology & Environment. Himalayan Environment Trust, 1991.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.