APA Citation

Freifelder, D., Folkmanis, A., & Kirschner, I. (1971). Studies on Escherichia coli Sex Factors: Evidence That Covalent Circles Exist Within Cells and the General Problem of Isolation of Covalent Circles.

Chicago Style Citation

Freifelder, David, Atis Folkmanis, and Ilana Kirschner. Studies On Escherichia Coli Sex Factors: Evidence That Covalent Circles Exist Within Cells and the General Problem of Isolation of Covalent Circles. 1971.

MLA Citation

Freifelder, David, Atis Folkmanis, and Ilana Kirschner. Studies On Escherichia Coli Sex Factors: Evidence That Covalent Circles Exist Within Cells and the General Problem of Isolation of Covalent Circles. 1971.

Warning: These citations may not always be 100% accurate.