Gaya APA

Frost, P., Harpending, H, C. (2015). Western Europe, State Formation, and Genetic Pacification (Volume 13(1). 2015). Portugal: .

Gaya MLA

Frost, Peter., Harpending, Henry, C.. "Western Europe, State Formation, and Genetic Pacification". Volume 13(1). 2015 Portugal: , 2015. e-journal.