APA (7th ed.) Citation

De Robertis, E. D. P., Nowinski, W. W., & Saez, F. A. (1949). General cytology. Saunders.

Chicago Style (17th ed.) Citation

De Robertis, E. D. P., Wiktor W. Nowinski, and Francisco A. Saez. General Cytology. Philadelphia: Saunders, 1949.

MLA (9th ed.) Citation

De Robertis, E. D. P., et al. General Cytology. Saunders, 1949.