APA (7. basım) Alıntı

Tortell, P. (2020). Earth 2020: An Insider's Guide to a Rapidly Changing Planet. Open Book Publishers.

Chicago Style (17. basım) Atıf

Tortell, Philippe. Earth 2020: An Insider's Guide to a Rapidly Changing Planet. Open Book Publishers, 2020.

MLA (9th ed.) Atıf

Tortell, Philippe. Earth 2020: An Insider's Guide to a Rapidly Changing Planet. Open Book Publishers, 2020.