APA Style
Audesirk, T. et al
(c2011).
Biology: life on Earth
(
9th ed.)
.
San Francisco, Calif.:
Benjamin Cummings.
MLA Style
Audesirk, Teresa.. et al.
"Biology: life on Earth".
9th ed.
San Francisco, Calif.:
Benjamin Cummings,
c2011.
Computer File.