APA (7th ed.) Citation

Não informado. Chemical abstracts. Formula index: Index of ring systems. American Chemical Society.

Chicago Style (17th ed.) Citation

Não informado. Chemical Abstracts. Formula Index: Index of Ring Systems. Columbus, Ohio: American Chemical Society.

MLA (8th ed.) Citation

Não informado. Chemical Abstracts. Formula Index: Index of Ring Systems. American Chemical Society.

Warning: These citations may not always be 100% accurate.