How to cite?

APA (American Psychological Association) style

• Format: Title of web page. (Year, Month Date Accessed). Website Name. URL
• Example: Chemical portal. (2025, March 12). WebQC.Org. https://es.webqc.org/balanced-equation-K2Cr2O7+HF+H2SO4=Cr2(SO4)3+K2SO4+H2O+F2

MLA (Modern Language Association) style

• Format: 'Title of Web Page.' Website Name, Date of access, URL.
• Example: 'Chemical portal', WebQC.Org, 12 March 2025, https://es.webqc.org/balanced-equation-K2Cr2O7+HF+H2SO4=Cr2(SO4)3+K2SO4+H2O+F2

Chicago manual of style

• Format: 'Title of Web Page.' Website Name, last modified date (if available), URL.
• Example: 'Chemical portal.' WebQC.Org, last modified March 12, 2025, https://es.webqc.org/balanced-equation-K2Cr2O7+HF+H2SO4=Cr2(SO4)3+K2SO4+H2O+F2

Harward style

• Format: Title of Web Page. Website Name. Available at: URL (Accessed: Day Month Year).
• Example: Chemical portal, WebQC.Org. Available at : https://es.webqc.org/balanced-equation-K2Cr2O7+HF+H2SO4=Cr2(SO4)3+K2SO4+H2O+F2 (Accessed: 12 March 2025).

Vancouver style

• Format: Title of web page [Internet]. Website Name [cited Year Month Day]. Available from: URL.
• Example: Chemical portal [Internet]. WebQC.Org [cited 2025 March 12]. Available from: https://es.webqc.org/balanced-equation-K2Cr2O7+HF+H2SO4=Cr2(SO4)3+K2SO4+H2O+F2