APA引文

Helwig, J. (2018). Baby-led feeding: A natural way to raise happy, independent eaters. Houghton Mifflin Harcourt.

Chicago Style (17th ed.) Citation

Helwig, Jenna. Baby-led Feeding: A Natural Way to Raise Happy, Independent Eaters. Boston: Houghton Mifflin Harcourt, 2018.

MLA引文

Helwig, Jenna. Baby-led Feeding: A Natural Way to Raise Happy, Independent Eaters. Houghton Mifflin Harcourt, 2018.

警告：這些引文格式不一定是100％准確.