Cita APA (7a ed.)

Cullen, B. R., Chapman, D. F., & Quigley, P. E. Comparative defoliation tolerance of temperate perennial grasses.

Cita Chicago Style (17a ed.)

Cullen, B. R., D. F. Chapman, y P. E. Quigley. Comparative Defoliation Tolerance of Temperate Perennial Grasses.

Cita MLA (8a ed.)

Cullen, B. R., et al. Comparative Defoliation Tolerance of Temperate Perennial Grasses.