APA Style
Martorell, G. et al (2014).
A child's world : infancy through adolescence (Ed. XIII).
New York:
Mc Graw-Hill.
MLA Style
Martorell, Gabriela. et al.
"A child's world : infancy through adolescence".
Ed. XIII
New York:
Mc Graw-Hill,
2014.
Text.