APA Style
PIAGET, Jean. (1941).
Child's Conception of Number. .
London:
Routledge and Kegan Paul.
Chicago Style
PIAGET, Jean.
Child's Conception of Number..
London:
Routledge and Kegan Paul,
1941.
Text.
MLA Style
PIAGET, Jean.
Child's Conception of Number..
London:
Routledge and Kegan Paul,
1941.
Text.
Turabian Style
PIAGET, Jean.
Child's Conception of Number..
London:
Routledge and Kegan Paul,
1941.
Print.