APA (7th ed.) Citation

Meulen, S. G. v. d., & Lindsey, C. H. Informal introduction to ALGOL 68 (2nd ed.).

Chicago Style (17th ed.) Citation

Meulen, S. G. van der, and C. H. Lindsey. Informal Introduction to ALGOL 68. 2nd ed.

MLA (9th ed.) Citation

Meulen, S. G. van der, and C. H. Lindsey. Informal Introduction to ALGOL 68. 2nd ed.

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