APA (7th ed.) Citation

Delaunay, R., & Hoog, M. (1977). R. Delaunay. Crown Publishers.

Chicago Style (17th ed.) Citation

Delaunay, Robert, and Michel Hoog. R. Delaunay. New York: Crown Publishers, 1977.

MLA (9th ed.) Citation

Delaunay, Robert, and Michel Hoog. R. Delaunay. Crown Publishers, 1977.

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