APA (7th ed.) Citation

Harder, S., Staib, A. H., Beer, C., Papenburg, A., Stille, W., & Shah, P. M. (1988). 4-quinolones inhibit biotransformation of caffeine. Springer.

Chicago Style (17th ed.) Citation

Harder, S., A. H. Staib, C. Beer, A. Papenburg, W. Stille, and P. M. Shah. 4-quinolones Inhibit Biotransformation of Caffeine. Springer, 1988.

MLA (9th ed.) Citation

Harder, S., et al. 4-quinolones Inhibit Biotransformation of Caffeine. Springer, 1988.