APA Style

CHRISTOPHER, D, G. (1990). NEW TODDLER TAMING: A PARENT`S GUIDE TO THE FIRST FOUR YEARS . LONDON: VERMILION.

MLA Style

CHRISTOPHER, DR., GREEN,. "NEW TODDLER TAMING: A PARENT`S GUIDE TO THE FIRST FOUR YEARS". LONDON: VERMILION, 1990. Text.