Citação norma APA

Kiefer, D., & Halbert, S. P. (1976). Purification of group C streptococcal extracellular antigens detected with naturally occurring human antibodies: Isolation of streptokinase and two previously undescribed antigens.

Citação norma Chicago

Kiefer, D., and S P. Halbert. Purification of Group C Streptococcal Extracellular Antigens Detected With Naturally Occurring Human Antibodies: Isolation of Streptokinase and Two Previously Undescribed Antigens. 1976.

Citação norma MLA

Kiefer, D., and S P. Halbert. Purification of Group C Streptococcal Extracellular Antigens Detected With Naturally Occurring Human Antibodies: Isolation of Streptokinase and Two Previously Undescribed Antigens. 1976.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.