APA (7th ed.) Citation

Khumalo, N., Doe, P., Dawber, R., & Ferguson, D. (2000). What is normal black African hair? A light and scanning electron-microscopic study.

Chicago Style (17th ed.) Citation

Khumalo, N., P. Doe, R. Dawber, and D. Ferguson. What Is Normal Black African Hair? A Light and Scanning Electron-microscopic Study. 2000.

MLA (9th ed.) Citation

Khumalo, N., et al. What Is Normal Black African Hair? A Light and Scanning Electron-microscopic Study. 2000.