APA Citation

Johnston, D. (2006). Natural standard herb and supplement reference: Evidence based clinical reviews. The Ulster Medical Society.

Chicago Style Citation

Johnston, Denis. Natural Standard Herb and Supplement Reference: Evidence Based Clinical Reviews. The Ulster Medical Society, 2006.

MLA Citation

Johnston, Denis. Natural Standard Herb and Supplement Reference: Evidence Based Clinical Reviews. The Ulster Medical Society, 2006.

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