APA (7th ed.) Citation

Branson, E. B., Mehl, M. G., & Branson, E. R. Conodont studies: By E. B. Branson and M. G. Mehl.

Chicago Style (17th ed.) Citation

Branson, Edwin Bayer, Maurice Goldsmith Mehl, and Edwin Robert Branson. Conodont Studies: By E. B. Branson and M. G. Mehl. Univ.

MLA (9th ed.) Citation

Branson, Edwin Bayer, et al. Conodont Studies: By E. B. Branson and M. G. Mehl.