APA (7th ed.) Citation

Klopper, A., Masson, G., & Wilson, G. (1977). PLASMA OESTRIOL AND PLACENTAL PROTEINS: A CROSS-SECTIONAL STUDY AT 38 WEEKS GESTATION. Blackwell Publishing Ltd.

Chicago Style (17th ed.) Citation

Klopper, A., G. Masson, and G. Wilson. PLASMA OESTRIOL AND PLACENTAL PROTEINS: A CROSS-SECTIONAL STUDY AT 38 WEEKS GESTATION. Oxford, UK: Blackwell Publishing Ltd, 1977.

MLA (9th ed.) Citation

Klopper, A., et al. PLASMA OESTRIOL AND PLACENTAL PROTEINS: A CROSS-SECTIONAL STUDY AT 38 WEEKS GESTATION. Blackwell Publishing Ltd, 1977.