APA

Leach P., . (1976). Babyhood: stage by stage, from birth to age two : how your baby develops physically, emotionally, mentally. New York: Knopf distributed by Random House.

Chicago

Leach Penelope, . 1976. Babyhood: stage by stage, from birth to age two : how your baby develops physically, emotionally, mentally. New York: Knopf distributed by Random House.

Harvard

Leach P., . (1976). Babyhood: stage by stage, from birth to age two : how your baby develops physically, emotionally, mentally. New York: Knopf distributed by Random House.

MLA

Leach Penelope, . Babyhood: stage by stage, from birth to age two : how your baby develops physically, emotionally, mentally. New York: Knopf distributed by Random House. 1976.