Cita APA (7a ed.)

Sikora, R. I., e., & Barry, B. (1978). Obligations to future generations. Temple University Press.

Cita Chicago Style (17a ed.)

Sikora, ed R. I., y Brian Barry. Obligations to Future Generations. Philadelphia: Temple University Press, 1978.

Cita MLA (9a ed.)

Sikora, et al. Obligations to Future Generations. Temple University Press, 1978.