APA Style
Bickford, Marlon E. ().
GEOLOGY TODAY .
California:
CRM BOOKS.
Chicago Style
Bickford, Marlon E.
GEOLOGY TODAY.
California:
CRM BOOKS,
.
Text.
MLA Style
Bickford, Marlon E.
GEOLOGY TODAY.
California:
CRM BOOKS,
.
Text.
Turabian Style
Bickford, Marlon E.
GEOLOGY TODAY.
California:
CRM BOOKS,
.
Print.