APA-referens

Trivedi, P. R., & Gurdeep, R. (1991). Environmental Biology. Akashdeep.

Chicago-stil citat

Trivedi, P. Rand, och Raj Gurdeep. Environmental Biology. Delhi: Akashdeep, 1991.

MLA-referens

Trivedi, P. Rand, och Raj Gurdeep. Environmental Biology. Akashdeep, 1991.