APA (7th ed.) Citation

Barclay, A. E., Franklin, K. J., & Prichard, M. M. L. (1944). The foetal circulation and cardiovascular system. Blackwell Scientific Publications.

Chicago Style (17th ed.) Citation

Barclay, Alfred E., Kenneth J. Franklin, and Marjorie Mabel Lucy Prichard. The Foetal Circulation and Cardiovascular System. Oxford: Blackwell Scientific Publications, 1944.

MLA (9th ed.) Citation

Barclay, Alfred E., et al. The Foetal Circulation and Cardiovascular System. Blackwell Scientific Publications, 1944.