APA ציטוט

Williams, C. N., Uzo, J. O., & Peregrine, W. T. H. (1991). Vegetable production in the tropics. Longman Scientific and Technical.

Chicago Style (17th ed.) Citation

Williams, C. N., J. O. Uzo, and W. T. H. Peregrine. Vegetable Production in the Tropics. Essex, England: Longman Scientific and Technical, 1991.

ציטוט MLA

Williams, C. N., et al. Vegetable Production in the Tropics. Longman Scientific and Technical, 1991.