APA (7th ed.) Citation

Shearer, B. F., & Shearer, B. S. (1981). Finding the source: A thesaurus-index to the reference collection. Aldwych.

Chicago Style (17th ed.) Citation

Shearer, Benjamin F., and Barbara Smith Shearer. Finding the Source: A Thesaurus-index to the Reference Collection. London: Aldwych, 1981.

MLA (9th ed.) Citation

Shearer, Benjamin F., and Barbara Smith Shearer. Finding the Source: A Thesaurus-index to the Reference Collection. Aldwych, 1981.