APA (7th ed.) Citation
Gutiérrez, J., & Singh, S. (1991). Changes in population size due to single seed bulk and single pod bulk methods for advancing hybrid generations in common bean.
Chicago Style (17th ed.) Citation
Gutiérrez, J.A, and S.P Singh. Changes in Population Size Due to Single Seed Bulk and Single Pod Bulk Methods for Advancing Hybrid Generations in Common Bean. 1991.
MLA (9th ed.) Citation
Gutiérrez, J.A, and S.P Singh. Changes in Population Size Due to Single Seed Bulk and Single Pod Bulk Methods for Advancing Hybrid Generations in Common Bean. 1991.
Warning: These citations may not always be 100% accurate.