APA (7th ed.) Citation

Epstein, R. L. (1981). Initial segments of degrees below 0'. American Mathematical Society.

Chicago Style (17th ed.) Citation

Epstein, Richard L. Initial Segments of Degrees Below 0'. Providence, R.I.: American Mathematical Society, 1981.

MLA (9th ed.) Citation

Epstein, Richard L. Initial Segments of Degrees Below 0'. American Mathematical Society, 1981.

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