APA (7th ed.) Citation

Hume, J. N., & Holt, R. C. (1975). Structured programming using PL 1 and SP k. Reston Publ. Co.

Chicago Style (17th ed.) Citation

Hume, James N., and Richard C. Holt. Structured Programming Using PL 1 and SP K. Reston, Va: Reston Publ. Co, 1975.

MLA (9th ed.) Citation

Hume, James N., and Richard C. Holt. Structured Programming Using PL 1 and SP K. Reston Publ. Co, 1975.