Cita APA (7a ed.)

Crabbe, P. J., & Spry, I. M. (1973). Natural resource development in Canada: Multi-disciplinary seminar. University of Ottawa Press.

Cita Chicago Style (17a ed.)

Crabbe, Philippe J., y Irene M. Spry. Natural Resource Development in Canada: Multi-disciplinary Seminar. Ottawa: University of Ottawa Press, 1973.

Cita MLA (8a ed.)

Crabbe, Philippe J., y Irene M. Spry. Natural Resource Development in Canada: Multi-disciplinary Seminar. University of Ottawa Press, 1973.