APA citiranje

Spray, G. H., & Temperley, I. J. (1966). Estimation of serum folic acid activity.

Citação norma Chicago

Spray, G H., and I J. Temperley. Estimation of Serum Folic Acid Activity. 1966.

MLA citiranje

Spray, G H., and I J. Temperley. Estimation of Serum Folic Acid Activity. 1966.