APA (7th ed.) Citation

Jackson, R. V. (1976). Maryland 1850 census index. Accelerated Indexing Systems.

Chicago Style (17th ed.) Citation

Jackson, Ronald Vern. Maryland 1850 Census Index. No. Salt Lake, Utah: Accelerated Indexing Systems, 1976.

MLA (9th ed.) Citation

Jackson, Ronald Vern. Maryland 1850 Census Index. Accelerated Indexing Systems, 1976.

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