APA (7th ed.) Citation

Kula, J., Richter, R., Gawlikowski, W., & Harlozinska, A. Tumor and serum CEA content in gynecologic neoplasms.

Chicago Style (17th ed.) Citation

Kula, J., R. Richter, W. Gawlikowski, and A. Harlozinska. Tumor and Serum CEA Content in Gynecologic Neoplasms.

MLA (9th ed.) Citation

Kula, J., et al. Tumor and Serum CEA Content in Gynecologic Neoplasms.