APA Style
Gibbons, Gail.. (1991).
Whales (2nd ed.).
:
Holiday House.
Chicago Style
Gibbons, Gail..
Whales.
2nd ed.
:
Holiday House,
1991.
Text.
MLA Style
Gibbons, Gail..
Whales.
2nd ed.
:
Holiday House,
1991.
Text.
Turabian Style
Gibbons, Gail..
Whales.
2nd ed.
:
Holiday House,
1991.
Print.