APA

Freeman M., Ashkenas J., Rees D. J., Kingsley D. M., Copeland N. G., Jenkins N. A. & Krieger M. (19910110). An ancient, highly conserved family of cysteine-rich protein domains revealed by cloning type I and type II murine macrophage scavenger receptors. : Proceedings of the National Academy of Sciences of the United States of America.

Chicago

Freeman M, Ashkenas J, Rees D J, Kingsley D M, Copeland N G, Jenkins N A and Krieger M. 19910110. An ancient, highly conserved family of cysteine-rich protein domains revealed by cloning type I and type II murine macrophage scavenger receptors. : Proceedings of the National Academy of Sciences of the United States of America.

Harvard

Freeman M., Ashkenas J., Rees D. J., Kingsley D. M., Copeland N. G., Jenkins N. A. and Krieger M. (19910110). An ancient, highly conserved family of cysteine-rich protein domains revealed by cloning type I and type II murine macrophage scavenger receptors. : Proceedings of the National Academy of Sciences of the United States of America.

MLA

Freeman M, Ashkenas J, Rees D J, Kingsley D M, Copeland N G, Jenkins N A and Krieger M. An ancient, highly conserved family of cysteine-rich protein domains revealed by cloning type I and type II murine macrophage scavenger receptors. : Proceedings of the National Academy of Sciences of the United States of America. 19910110.