APA ציטוט

Robertson, J., & Stevens, K. (2014). Pyrrolizidine alkaloids. Royal Society of Chemistry.

Chicago Style (17th ed.) Citation

Robertson, J., and K. Stevens. Pyrrolizidine Alkaloids. Royal Society of Chemistry, 2014.

ציטוט MLA

Robertson, J., and K. Stevens. Pyrrolizidine Alkaloids. Royal Society of Chemistry, 2014.