Cita APA (7a ed.)

Dearden, R. P., Stockey, C., & Brazeau, M. D. (2019). The pharynx of the stem-chondrichthyan Ptomacanthus and the early evolution of the gnathostome gill skeleton. Nature Portfolio.

Cita Chicago Style (17a ed.)

Dearden, Richard P., Christopher Stockey, y Martin D. Brazeau. The Pharynx of the Stem-chondrichthyan Ptomacanthus and the Early Evolution of the Gnathostome Gill Skeleton. Nature Portfolio, 2019.

Cita MLA (8a ed.)

Dearden, Richard P., et al. The Pharynx of the Stem-chondrichthyan Ptomacanthus and the Early Evolution of the Gnathostome Gill Skeleton. Nature Portfolio, 2019.