APA (7th ed.) Citation
Wooldridge, R., & Ractliffe, J. (1963). An introduction to ALGOL programming. [s.n.].
Chicago Style (17th ed.) Citation
Wooldridge, Roylance, and J.F Ractliffe. An Introduction to ALGOL Programming. [s.l.]: [s.n.], 1963.
MLA (9th ed.) Citation
Wooldridge, Roylance, and J.F Ractliffe. An Introduction to ALGOL Programming. [s.n.], 1963.
Warning: These citations may not always be 100% accurate.