APA (7th ed.) Citation

Lamport, L. (1986). A document preparation system LATEX: User's guide and reference manual. Addison-Wesley.

Chicago Style (17th ed.) Citation

Lamport, Leslie. A Document Preparation System LATEX: User's Guide and Reference Manual. Reading Mass: Addison-Wesley, 1986.

MLA (8th ed.) Citation

Lamport, Leslie. A Document Preparation System LATEX: User's Guide and Reference Manual. Addison-Wesley, 1986.

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