APA (7th ed.) Citation

Klopper, A., & Chard, T. (1979). Placental proteins. Springer.

Chicago Style (17th ed.) Citation

Klopper, Arnold, and T. Chard. Placental Proteins. Berlin [etc.]: Springer, 1979.

MLA (9th ed.) Citation

Klopper, Arnold, and T. Chard. Placental Proteins. Springer, 1979.