Cita APA (7th ed.)

Joseph, J. (1987). Orchids of Nilgiris. Botanical Survey of India.

Cita Chicago (17th ed.)

Joseph, J. Orchids of Nilgiris. New Delhi: Botanical Survey of India, 1987.

Cita MLA (9th ed.)

Joseph, J. Orchids of Nilgiris. Botanical Survey of India, 1987.