APA Citation

Barr, M. (1990). Environmental causes of human birth defects.

Citação norma Chicago

Barr, Mason. Environmental Causes of Human Birth Defects. 1990.

MLA Citation

Barr, Mason. Environmental Causes of Human Birth Defects. 1990.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.