APA Style
Volcano Trek. (2009).
London:
Heinle Cengage Learning.
Chicago Style
Volcano Trek.
.
London:
Heinle Cengage Learning,
2009.
.
MLA Style
Volcano Trek.
.
London:
Heinle Cengage Learning,
2009.
.
Turabian Style
Volcano Trek.
London:
Heinle Cengage Learning,
2009.
.