Cita APA (7a ed.)

Smith, G. J., Steck, H. J., & Surette, G. (1974). Our ecological crisis: Its biological, economic and political dimensions. Macmillan.

Cita Chicago Style (17a ed.)

Smith, Grahame J.C, Henry J. Steck, y Gerald Surette. Our Ecological Crisis: Its Biological, Economic and Political Dimensions. Nueva York: Macmillan, 1974.

Cita MLA (8a ed.)

Smith, Grahame J.C, et al. Our Ecological Crisis: Its Biological, Economic and Political Dimensions. Macmillan, 1974.