APA Style
Fertig, Dennis. (2013).
Ladders : The Old West .
USA:
National Geographic Learning.
Chicago Style
Fertig, Dennis.
Ladders : The Old West.
USA:
National Geographic Learning,
2013.
.
MLA Style
Fertig, Dennis.
Ladders : The Old West.
USA:
National Geographic Learning,
2013.
.
Turabian Style
Fertig, Dennis.
Ladders : The Old West.
USA:
National Geographic Learning,
2013.
.