APA (7th ed.) Citation

Cigna, J. A. (1981). A computer program to judge the near end handspring vault. [publisher not identified].

Chicago Style (17th ed.) Citation

Cigna, Joseph A. A Computer Program to Judge the Near End Handspring Vault. [Place of publication not identified]: [publisher not identified], 1981.

MLA (9th ed.) Citation

Cigna, Joseph A. A Computer Program to Judge the Near End Handspring Vault. [publisher not identified], 1981.