1. `\cite{goossens:companion}` — [ 2 ]

2. `\cite{goossens:companion,hagen:metafun}` — [ 2 , 1 ]

3. `\cite[page 99ff]{goossens:companion}` — [ 2 , page 99ff ]

4. `\cite[page 99ff]{goossens:companion,hagen:metafun}` — [ 2 , 1 , page 99ff ]

# Bibliography

1

  Hans Hagen. Metafun. Preliminary Version October 27, 2000, October 2000. http://www.pragma-ade.com.

2

  M. von Goossens, S. Rahtz, and F. Mittelbach. The LaTeX Graphics Companion. Addison-Wesley Publishing Company, Reading, Mass., 1997.