APA (7th ed.) Citation

Niemelä, P., Lövgren, J., Karp, M., Lilja, H., & Pettersson, K. (2002). Sensitive and specific enzymatic assay for the determination of precursor forms of prostate-specific antigen after an activation step.

Chicago Style (17th ed.) Citation

Niemelä, P., J. Lövgren, M. Karp, H. Lilja, and K. Pettersson. Sensitive and Specific Enzymatic Assay for the Determination of Precursor Forms of Prostate-specific Antigen After an Activation Step. 2002.

MLA (9th ed.) Citation

Niemelä, P., et al. Sensitive and Specific Enzymatic Assay for the Determination of Precursor Forms of Prostate-specific Antigen After an Activation Step. 2002.