APA Style
Memling, Carl. ().
Helicopters .
:
A Numbat Book.
Chicago Style
Memling, Carl.
Helicopters.
:
A Numbat Book,
.
Text.
MLA Style
Memling, Carl.
Helicopters.
:
A Numbat Book,
.
Text.
Turabian Style
Memling, Carl.
Helicopters.
:
A Numbat Book,
.
Print.