APA Style
Johnson, Mark. (2002).
Tumbull's Obstetrics (NULL).
NULL:
Churchill Living Stone.
Chicago Style
Johnson, Mark.
Tumbull's Obstetrics.
NULL
NULL:
Churchill Living Stone,
2002.
Text.
MLA Style
Johnson, Mark.
Tumbull's Obstetrics.
NULL
NULL:
Churchill Living Stone,
2002.
Text.
Turabian Style
Johnson, Mark.
Tumbull's Obstetrics.
NULL
NULL:
Churchill Living Stone,
2002.
Print.