APA
Boyd R., Fouts R., Goodman M., Grossman L. & Gumucio D. (2002). Probing human origins. Cambridge (United Kingdom): American Academy of Arts and Sciences.
Chicago
Boyd R, Fouts R.S, Goodman M, Grossman L.I and Gumucio D.L. 2002. Probing human origins. Cambridge (United Kingdom): American Academy of Arts and Sciences.
Harvard
Boyd R., Fouts R., Goodman M., Grossman L. and Gumucio D. (2002). Probing human origins. Cambridge (United Kingdom): American Academy of Arts and Sciences.
MLA
Boyd R, Fouts R.S, Goodman M, Grossman L.I and Gumucio D.L. Probing human origins. Cambridge (United Kingdom): American Academy of Arts and Sciences. 2002.