APA (7th ed.) Citation

Fairchild, W. W., & Ionescu Tulcea, C. (1970). Sets. Saunders.

Chicago Style (17th ed.) Citation

Fairchild, William W., and Cassius Ionescu Tulcea. Sets. Philadelphia, Pa: Saunders, 1970.

MLA (9th ed.) Citation

Fairchild, William W., and Cassius Ionescu Tulcea. Sets. Saunders, 1970.