APA (7th ed.) Citation

Schmidt, J. B., & Spona, J. The Levels of Androgen in Serum in Female Acne Patients.

Chicago Style (17th ed.) Citation

Schmidt, J. B., and J. Spona. The Levels of Androgen in Serum in Female Acne Patients.

MLA (9th ed.) Citation

Schmidt, J. B., and J. Spona. The Levels of Androgen in Serum in Female Acne Patients.

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