APA (7th ed.) Citation

Sacks, G. E. (1990). Higher recursion theory. Springer-Verlag.

Chicago Style (17th ed.) Citation

Sacks, Gerald E. Higher Recursion Theory. Berlin ; New York: Springer-Verlag, 1990.

MLA (9th ed.) Citation

Sacks, Gerald E. Higher Recursion Theory. Springer-Verlag, 1990.