Gaya APA

Smith, E, C. et al (1960). You and your resources science for better living . New York: New York: Harcourt, Brace & World; 1960.

Gaya MLA

Smith, Edward, Conrad. et al. "You and your resources science for better living". New York: New York: Harcourt, Brace & World; 1960, 1960. Text.