APA (7th ed.) Citation

Sterchi, E. E., & Stöcker, W. (1999). Proteolytic enzymes: Tools and targest [i.e. targets]. Springer.

Chicago Style (17th ed.) Citation

Sterchi, Erwin E., and Walter Stöcker. Proteolytic Enzymes: Tools and Targest [i.e. Targets]. Berlin ; New York: Springer, 1999.

MLA (8th ed.) Citation

Sterchi, Erwin E., and Walter Stöcker. Proteolytic Enzymes: Tools and Targest [i.e. Targets]. Springer, 1999.