APA Style
Clarke, Catriona. (2017).
The life cycle of a polar bear .
:
Collins.
Chicago Style
Clarke, Catriona.
The life cycle of a polar bear.
:
Collins,
2017.
Text.
MLA Style
Clarke, Catriona.
The life cycle of a polar bear.
:
Collins,
2017.
Text.
Turabian Style
Clarke, Catriona.
The life cycle of a polar bear.
:
Collins,
2017.
Print.