In last few months we trued to get for our department the small guide published by the Map and Geography Round Table of the American Library Association in 1992:

Clark, Suzanne M.
      Cartographic citations : a style guide / by Suzanne M. Clark, Mary
   Lynette Larsgaard and Cynthia M. Teague. -- Chicago : Map and Geography
   Round Table, American Library Association, 1992.
      23 p. -- (MAGERT circular ; no. 1)
      ISBN 0-8389-7581-X

 
We wrote a few times to Jim Coombs from the Maps Library Sauthwest Missouri State University, and we was asked him about the possibility to by the guide. Unfortunately, he never answer back about the guide or any other information.
 
We should be glad if you could send to as any information where we can to address for buy the guide. We are interested to receive any news from you as soon as possible.
 
Thank you in advance for your help. Sincerely,
 
Montserrat Terradas
Cartoteca Universitat de Girona
e-mail: [log in to unmask]
http://biblioteca.udg.es/cartoteca/