APA

Collins D. M., Kawakami R. P., de Lisle G. W., Pascopella L., Bloom B. R. & Jacobs W. R. (19950921). Mutation of the principal sigma factor causes loss of virulence in a strain of the Mycobacterium tuberculosis complex. : Proceedings of the National Academy of Sciences of the United States of America.

Chicago

Collins D M, Kawakami R P, de Lisle G W, Pascopella L, Bloom B R and Jacobs W R. 19950921. Mutation of the principal sigma factor causes loss of virulence in a strain of the Mycobacterium tuberculosis complex. : Proceedings of the National Academy of Sciences of the United States of America.

Harvard

Collins D. M., Kawakami R. P., de Lisle G. W., Pascopella L., Bloom B. R. and Jacobs W. R. (19950921). Mutation of the principal sigma factor causes loss of virulence in a strain of the Mycobacterium tuberculosis complex. : Proceedings of the National Academy of Sciences of the United States of America.

MLA

Collins D M, Kawakami R P, de Lisle G W, Pascopella L, Bloom B R and Jacobs W R. Mutation of the principal sigma factor causes loss of virulence in a strain of the Mycobacterium tuberculosis complex. : Proceedings of the National Academy of Sciences of the United States of America. 19950921.