APA (7th ed.) Citation

Lightfoot, D. (1991). Formal specification using Z / David Lightfoot. Macmillan.

Chicago Style (17th ed.) Citation

Lightfoot, David. Formal Specification Using Z / David Lightfoot. Basingstoke: Macmillan, 1991.

MLA (9th ed.) Citation

Lightfoot, David. Formal Specification Using Z / David Lightfoot. Macmillan, 1991.

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