APA (7th ed.) Citation

Velitchkova, N., Veleva, O., Velichkov, S., & Daskalova, N. Possibilities of High Resolution Inductively Coupled Plasma Optical Emission Spectrometry in the Determination of Trace Elements in Environmental Materials. Wiley.

Chicago Style (17th ed.) Citation

Velitchkova, Nikolaya, Olga Veleva, Serafim Velichkov, and Nonka Daskalova. Possibilities of High Resolution Inductively Coupled Plasma Optical Emission Spectrometry in the Determination of Trace Elements in Environmental Materials. Wiley.

MLA (9th ed.) Citation

Velitchkova, Nikolaya, et al. Possibilities of High Resolution Inductively Coupled Plasma Optical Emission Spectrometry in the Determination of Trace Elements in Environmental Materials. Wiley.