Genetic exchange between kingdoms.

MLA

Sprague, G. F., Jr. “Genetic Exchange between Kingdoms.” Current Opinion in Genetics & Development, vol. 1, no. 4, Dec. 1991, pp. 530–33. EBSCOhost, https://doi.org/10.1016/s0959-437x(05)80203-5.

APA

Sprague, G. F., Jr. (1991). Genetic exchange between kingdoms. Current Opinion in Genetics & Development, 1(4), 530–533. https://doi.org/10.1016/s0959-437x(05)80203-5

Chicago

Sprague, G F, Jr. 1991. “Genetic Exchange between Kingdoms.” Current Opinion in Genetics & Development 1 (4): 530–33. doi:10.1016/s0959-437x(05)80203-5.