APA način citiranja

Samstad, S. O., Torp, H. G., Linker, D. T., Rossvoll, O., Skjaerpe, T., Johansen, E., . . . Hatle, L. (1989). Cross sectional early mitral flow velocity profiles from colour Doppler.

Čikaški stil citiranja

Samstad, S O., H G. Torp, D T. Linker, O. Rossvoll, T. Skjaerpe, E. Johansen, K. Kristoffersen, B A. Angelsen, i L. Hatle. Cross Sectional Early Mitral Flow Velocity Profiles From Colour Doppler. 1989.

MLA način citiranja

Samstad, S O., et al. Cross Sectional Early Mitral Flow Velocity Profiles From Colour Doppler. 1989.