Cita APA

Sahni, K. (1990). Gymnosperms of India and adjacent countries. Bishen Singh Mahendra Singh.

Citación estilo Chicago

Sahni, K.C. Gymnosperms of India and Adjacent Countries. Dehradun: Bishen Singh Mahendra Singh, 1990.

Cita MLA

Sahni, K.C. Gymnosperms of India and Adjacent Countries. Bishen Singh Mahendra Singh, 1990.