APA (7th ed.) Citation

ScienceDirect (Online service), Black, D., Cossy, J., & Stevens, C. (2022). Comprehensive heterocyclic chemistry IV. Elsevier.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), David Black, Janine Cossy, and Christian Stevens. Comprehensive Heterocyclic Chemistry IV. Amsterdam: Elsevier, 2022.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Comprehensive Heterocyclic Chemistry IV. Elsevier, 2022.