APA引文

Grindley, S., & Ellis, A. (1999). Time for bed, Elephant Small. Barron's Educational Series.

Chicago Style (17th ed.) Citation

Grindley, Sally, and Andy Ellis. Time for Bed, Elephant Small. Hauppauge, N.Y.: Barron's Educational Series, 1999.

MLA引文

Grindley, Sally, and Andy Ellis. Time for Bed, Elephant Small. Barron's Educational Series, 1999.

警告：這些引文格式不一定是100％准確.