APA (7th ed.) Citation

Heller, S. R. (1998). The Beilstein system: Strategies for effective searching. American Chemical Society.

Chicago Style (17th ed.) Citation

Heller, Stephen R. The Beilstein System: Strategies for Effective Searching. Washington, D.C.: American Chemical Society, 1998.

MLA (9th ed.) Citation

Heller, Stephen R. The Beilstein System: Strategies for Effective Searching. American Chemical Society, 1998.