APA (7th ed.) Citation

Kolling, S., Ventre, F., Geuna, E., Milan, M., Pisacane, A., Boccaccio, C., . . . Montemurro, F. (2020). “Metastatic Cancer of Unknown Primary” or “Primary Metastatic Cancer”? Frontiers Media S.A.

Chicago Style (17th ed.) Citation

Kolling, Stefan, et al. “Metastatic Cancer of Unknown Primary” or “Primary Metastatic Cancer”? Frontiers Media S.A, 2020.

MLA (9th ed.) Citation

Kolling, Stefan, et al. “Metastatic Cancer of Unknown Primary” or “Primary Metastatic Cancer”? Frontiers Media S.A, 2020.

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