Cita APA

De Kruif, P. (1938). The fight for life. Harcourt, Brace and company.

Chicago Style (17th ed.) Citation

De Kruif, Paul. The Fight for Life. New York: Harcourt, Brace and company, 1938.

Cita MLA

De Kruif, Paul. The Fight for Life. Harcourt, Brace and company, 1938.