APA (7th ed.) Citation

Musa, M., & Sidek, R. (1990). CD4/CD8 Ratios among Blood Donors in Penang.

Chicago Style (17th ed.) Citation

Musa, M., and R. Sidek. CD4/CD8 Ratios Among Blood Donors in Penang. 1990.

MLA (9th ed.) Citation

Musa, M., and R. Sidek. CD4/CD8 Ratios Among Blood Donors in Penang. 1990.

Warning: These citations may not always be 100% accurate.