APA-viite

G F H, Millar, C D Elaine, & Holme Wolsten. (1955). CIBA foundation symposium on porphyrin biosynthesis and metabolism. Churchill, J and A.

Chicago-tyylinen lähdeviittaus

G F H, Millar, C D Elaine, ja Holme Wolsten. CIBA Foundation Symposium on Porphyrin Biosynthesis and Metabolism. Churchill, J and A, 1955.

MLA-viite

G F H, et al. CIBA Foundation Symposium on Porphyrin Biosynthesis and Metabolism. Churchill, J and A, 1955.