Letter: Corkscrew penis in the bull.

MLA

Pearson, H., and R. R. Ashdown. “Letter: Corkscrew Penis in the Bull.” The Veterinary Record, vol. 93, no. 8, Aug. 1973, p. 237. EBSCOhost, https://doi.org/10.1136/vr.93.8.237-a.

APA

Pearson, H., & Ashdown, R. R. (1973). Letter: Corkscrew penis in the bull. The Veterinary Record, 93(8), 237. https://doi.org/10.1136/vr.93.8.237-a

Chicago

Pearson, H, and R R Ashdown. 1973. “Letter: Corkscrew Penis in the Bull.” The Veterinary Record 93 (8): 237. doi:10.1136/vr.93.8.237-a.