APA (7th ed.) Citation

Schmidt, J. B., & Spona, J. Hormone Receptors in Normal Skin and acne.

Chicago Style (17th ed.) Citation

Schmidt, J. B., and J. Spona. Hormone Receptors in Normal Skin and Acne.

MLA (9th ed.) Citation

Schmidt, J. B., and J. Spona. Hormone Receptors in Normal Skin and Acne.

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