Gaya APA

Nelder, C., Hicks, B. (2008). Profit from the peak: the end of oil and the greatest investment even of the century . : John Wiley.

Gaya MLA

Nelder, Chris., Hicks, Brian. "Profit from the peak: the end of oil and the greatest investment even of the century". : John Wiley, 2008. Textbook.