s.l.a.n.

s.l.a.n.

abbr. Latin
sine loco, anno, vel nomine (without place, year, or name of publication)
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.