APA (7th ed.) Citation

BOYD ROBERT & SILK B. JOAN. HOW HUMANS EVOLVED (1ST ED.).

Chicago Style (17th ed.) Citation

BOYD ROBERT and SILK B. JOAN. HOW HUMANS EVOLVED. 1ST ED. NEW YORK,LONDON.

MLA (9th ed.) Citation

BOYD ROBERT and SILK B. JOAN. HOW HUMANS EVOLVED. 1ST ED.

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