APA-viite

Debnath, H. S., & Nayar, M. P. (1986). The Poppies of Indian region.

Chicago-tyylinen lähdeviittaus

Debnath, H S., ja M P. Nayar. The Poppies of Indian Region. Howrah, Botanical Survey Of India, 1986.

MLA-viite

Debnath, H S., ja M P. Nayar. The Poppies of Indian Region. 1986.