APA (7th ed.) Citation

Gratzer, G. A. (1993). Math into TeX: A simple introduction to AMS-LaTeX. Birkhäuser.

Chicago Style (17th ed.) Citation

Gratzer, George A. Math into TeX: A Simple Introduction to AMS-LaTeX. Boston: Birkhäuser, 1993.

MLA (9th ed.) Citation

Gratzer, George A. Math into TeX: A Simple Introduction to AMS-LaTeX. Birkhäuser, 1993.