Cita APA (7th ed.)

Wardlaw, B. R., Grant, R. E., & Rohr, D. M. (2000). The Guadalupian symposium. Smithsonian Institution.

Cita Chicago (17th ed.)

Wardlaw, Bruce R., Richard E. Grant, i David M. Rohr. The Guadalupian Symposium. Washington, D.C: Smithsonian Institution, 2000.

Cita MLA (9th ed.)

Wardlaw, Bruce R., et al. The Guadalupian Symposium. Smithsonian Institution, 2000.