APA (7th ed.) Citation

Hahn, G., Sabidussi, G., & Woodrow, R. E. (1990). Cycles and rays. Kluwer Academic.

Chicago Style (17th ed.) Citation

Hahn, Gena, Gert Sabidussi, and Robert E. Woodrow. Cycles and Rays. Dordrecht: Kluwer Academic, 1990.

MLA (9th ed.) Citation

Hahn, Gena, et al. Cycles and Rays. Kluwer Academic, 1990.