APA (7e ed.) Bronvermelding

Sager, P. (1969). Spondylosis cervicalis: A pathological and osteoarchaeological study of osteochondrosis intervertebralis cervicalis, arthrosis uncovertebralis, and spondylarthrosis cervicalis. Copenhagen.

Chicago (17e ed.) Bronvermelding

Sager, Philip. Spondylosis Cervicalis: A Pathological and Osteoarchaeological Study of Osteochondrosis Intervertebralis Cervicalis, Arthrosis Uncovertebralis, and Spondylarthrosis Cervicalis. Munksgaard: Copenhagen, 1969.

MLA (8e ed.) Bronvermelding

Sager, Philip. Spondylosis Cervicalis: A Pathological and Osteoarchaeological Study of Osteochondrosis Intervertebralis Cervicalis, Arthrosis Uncovertebralis, and Spondylarthrosis Cervicalis. Copenhagen, 1969.