APA-viite

P.J.L & P J L Holt. (1975). Current Topics in Connective Tissue Disease. Churchill Livingstone.

Chicago-tyylinen lähdeviittaus

P.J.L ja P J L Holt. Current Topics in Connective Tissue Disease. Churchill Livingstone, 1975.

MLA-viite

P.J.L ja P J L Holt. Current Topics in Connective Tissue Disease. Churchill Livingstone, 1975.