Cita APA (7a ed.)
Koenigswald, G. H. R. v., & Bullock, M. (1956). Meeting prehistoric man. Thames and Hudson.
Cita Chicago Style (17a ed.)
Koenigswald, G. H. R. von, y Michael Bullock. Meeting Prehistoric Man. London ; New York: Thames and Hudson, 1956.
Cita MLA (9a ed.)
Koenigswald, G. H. R. von, y Michael Bullock. Meeting Prehistoric Man. Thames and Hudson, 1956.
警告：這些引文格式不一定是100％准確.