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MLA

Chen, Y, et al. "Black‐ear Gene and Blood Polymorphism In Four Southern Chinese Cattle Groups." Animal genetics, v. 25,.S1 pp. 89-90. doi: 10.1111/j.1365-2052.1994.tb00408.x

APA

Chen, Y., Wang, Y., Cao, H., Pang, Z., & Yang, G. (1994). Black‐ear gene and blood polymorphism in four southern Chinese cattle groups. Animal genetics, 25, 89-90. doi: 10.1111/j.1365-2052.1994.tb00408.x

Chicago

Chen, Y, Y Wang, H Cao, Z Pang, and G Yang. "Black‐ear gene and blood polymorphism in four southern Chinese cattle groups" Animal genetics 25, no. S1 (1994): 89-90. doi: 10.1111/j.1365-2052.1994.tb00408.x