APA (7th ed.) Citation

(1978). ALGOL 68: A first and second course / Andrew D. McGettrick.

Chicago Style (17th ed.) Citation

ALGOL 68: A First and Second Course / Andrew D. McGettrick. 1978.

MLA (9th ed.) Citation

ALGOL 68: A First and Second Course / Andrew D. McGettrick. 1978.

Warning: These citations may not always be 100% accurate.