Cita APA (7a ed.)

Duthie, J. F. (1973). Flora of the Upper Gangetic Plain and of the adjacent Siwalik and Sub-Himalayan tracts. Bishen Singh Mahendra Pal Singh.

Cita Chicago Style (17a ed.)

Duthie, J. F. Flora of the Upper Gangetic Plain and of the Adjacent Siwalik and Sub-Himalayan Tracts. Dehra Dun: Bishen Singh Mahendra Pal Singh, 1973.

Cita MLA (8a ed.)

Duthie, J. F. Flora of the Upper Gangetic Plain and of the Adjacent Siwalik and Sub-Himalayan Tracts. Bishen Singh Mahendra Pal Singh, 1973.