APA Style
Hamilton,james B. (1977).
Direct field trips (NULL).
NULL:
AAVIW.
Chicago Style
Hamilton,james B.
Direct field trips.
NULL
NULL:
AAVIW,
1977.
Text.
MLA Style
Hamilton,james B.
Direct field trips.
NULL
NULL:
AAVIW,
1977.
Text.
Turabian Style
Hamilton,james B.
Direct field trips.
NULL
NULL:
AAVIW,
1977.
Print.