APA Edition Citation

Davis, A. E., & Gurr, M. R. (1969). Blood groups. English Univ. Press.

Chicago Edition Citation

Davis, A. E., and M. R. Gurr. Blood Groups. English Univ. Press, 1969.

MLA Edition Citation

Davis, A. E., and M. R. Gurr. Blood Groups. English Univ. Press, 1969.

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