APA Style
Atwater, Richard, Atwater, Florence. ().
Mr. Popper's Penguins .
:
.
Chicago Style
Atwater, Richard, Atwater, Florence.
Mr. Popper's Penguins.
:
,
.
Text.
MLA Style
Atwater, Richard, Atwater, Florence.
Mr. Popper's Penguins.
:
,
.
Text.
Turabian Style
Atwater, Richard, Atwater, Florence.
Mr. Popper's Penguins.
:
,
.
Print.