Gaya APA

Pastoors, A., Lenssen-Erz, T. (2021). Reading Prehistoric Human Tracks (1st ed. 2021). : Springer International Publishing.

Gaya MLA

Pastoors, Andreas., Lenssen-Erz, Tilman. "Reading Prehistoric Human Tracks". 1st ed. 2021 : Springer International Publishing, 2021. Electronic Resource.