APA (7th ed.) Citation

Mourant, A. E., & Kopec, A. C. (1958). The A B O Blood groups. Blackwell Scientific Publications.

Chicago Style (17th ed.) Citation

Mourant, A. E., and Ada C. Kopec. The A B O Blood Groups. Oxford: Blackwell Scientific Publications, 1958.

MLA (9th ed.) Citation

Mourant, A. E., and Ada C. Kopec. The A B O Blood Groups. Blackwell Scientific Publications, 1958.