APA (7th ed.) Citation

Brian P, McCallum, S. H., & Long, A. B. (1987). UNIMARC Manual. IFLA UBCIM.

Chicago Style (17th ed.) Citation

Brian P, Sally H. McCallum, and A. B. Long. UNIMARC Manual. London: IFLA UBCIM, 1987.

MLA (9th ed.) Citation

Brian P, et al. UNIMARC Manual. IFLA UBCIM, 1987.