Cita APA (7a ed.)

Backwell, L., & D'Errico, F. (2019). From Tools to Symbols: From Early Hominids to Modern Humans. Project Muse.

Cita Chicago Style (17a ed.)

Backwell, Lucinda, y Francesco D'Errico. From Tools to Symbols: From Early Hominids to Modern Humans. Baltimore, Maryland: Project Muse, 2019.

Cita MLA (8a ed.)

Backwell, Lucinda, y Francesco D'Errico. From Tools to Symbols: From Early Hominids to Modern Humans. Project Muse, 2019.