APA (7th ed.) Citation

Ractliffe, J. F. (1971). Algol in brief: A short, practical guide to computer programming in Algol. Oxford Univ. Pr.

Chicago Style (17th ed.) Citation

Ractliffe, John F. Algol in Brief: A Short, Practical Guide to Computer Programming in Algol. London u.a: Oxford Univ. Pr, 1971.

MLA (9th ed.) Citation

Ractliffe, John F. Algol in Brief: A Short, Practical Guide to Computer Programming in Algol. Oxford Univ. Pr, 1971.