Cita APA (7th ed.)

Barraclough, E. D., Barber, A. S., & Gray, W. A. (1972). Medlars on-line search formulation and indexing. University of Newcastle upon Tyne, Computing Laboratory.

Cita Chicago (17th ed.)

Barraclough, Elizabeth Dick, Ann Stephanie Barber, i William Alexander Gray. Medlars On-line Search Formulation and Indexing. Newcastle upon Tyne: University of Newcastle upon Tyne, Computing Laboratory, 1972.

Cita MLA (8th ed.)

Barraclough, Elizabeth Dick, et al. Medlars On-line Search Formulation and Indexing. University of Newcastle upon Tyne, Computing Laboratory, 1972.