Cite
Nucleotide sequence of an insertion element, IS1.
MLA
Ohtsubo, H., and E. Ohtsubo. “Nucleotide Sequence of an Insertion Element, IS1.” Proceedings of the National Academy of Sciences of the United States of America, vol. 75, no. 2, Feb. 1978, pp. 615–19. EBSCOhost, https://doi.org/10.1073/pnas.75.2.615.
APA
Ohtsubo, H., & Ohtsubo, E. (1978). Nucleotide sequence of an insertion element, IS1. Proceedings of the National Academy of Sciences of the United States of America, 75(2), 615–619. https://doi.org/10.1073/pnas.75.2.615
Chicago
Ohtsubo, H, and E Ohtsubo. 1978. “Nucleotide Sequence of an Insertion Element, IS1.” Proceedings of the National Academy of Sciences of the United States of America 75 (2): 615–19. doi:10.1073/pnas.75.2.615.