APA (7th ed.) Citation

Pagan, F. G. (1976). A practical guide to ALGOL 68. Wiley.

Chicago Style (17th ed.) Citation

Pagan, Frank G. A Practical Guide to ALGOL 68. London u.a: Wiley, 1976.

MLA (9th ed.) Citation

Pagan, Frank G. A Practical Guide to ALGOL 68. Wiley, 1976.