Cross, I. Music as an emergent exaptation: Ian Cross. Music, language, and human evolution.(2012).
Chicago Style (17th ed.) CitationCross, Ian. "Music as an Emergent Exaptation: Ian Cross." Music, Language, and Human Evolution.(2012) .
MLA (8th ed.) CitationCross, Ian. "Music as an Emergent Exaptation: Ian Cross." Music, Language, and Human Evolution.(2012), .
Warning: These citations may not always be 100% accurate.