APA (7th ed.) Citation

Parsons, J. J. (1971). Concerning partitions of unity. [publisher not identified].

Chicago Style (17th ed.) Citation

Parsons, Julie Johns. Concerning Partitions of Unity. [Place of publication not identified]: [publisher not identified], 1971.

MLA (9th ed.) Citation

Parsons, Julie Johns. Concerning Partitions of Unity. [publisher not identified], 1971.