APA (7th ed.) Citation

Ribeiro, A. R., Carvalho, M. F., Afonso, C. M. M., Tiritan, M. E., & Castro, P. M. (2011). Microbial degradation of 17β -estradiol and 17α -ethinylestradiol followed by a validated HPLC-DAD method.

Chicago Style (17th ed.) Citation

Ribeiro, Ana R., Maria F. Carvalho, Carlos M. M. Afonso, Maria E. Tiritan, and Paula M.L Castro. Microbial Degradation of 17β -estradiol and 17α -ethinylestradiol Followed by a Validated HPLC-DAD Method. 2011.

MLA (8th ed.) Citation

Ribeiro, Ana R., et al. Microbial Degradation of 17β -estradiol and 17α -ethinylestradiol Followed by a Validated HPLC-DAD Method. 2011.