APA引文

Guntheroth, W. G., & Spiers, P. S. (1990). Bedding and sleeping position in the sudden infant death syndrome.

Citação norma Chicago

Guntheroth, Warren G., and Philip S. Spiers. Bedding and Sleeping Position in the Sudden Infant Death Syndrome. 1990.

MLA引文

Guntheroth, Warren G., and Philip S. Spiers. Bedding and Sleeping Position in the Sudden Infant Death Syndrome. 1990.

警告：這些引文格式不一定是100％准確.