APA (7th ed.) Citation

Carvalho, M. d. G. P. d., & Edgecombe, G. D. (1991). Lower-Early Middle Devonian Calmoniid trilobites from Mato Grosso, Brazil, and related species from Paraná.

Chicago Style (17th ed.) Citation

Carvalho, Maria da Gloria Pires de, and Gregory D. Edgecombe. Lower-Early Middle Devonian Calmoniid Trilobites from Mato Grosso, Brazil, and Related Species from Paraná. New York, N.Y, 1991.

MLA (9th ed.) Citation

Carvalho, Maria da Gloria Pires de, and Gregory D. Edgecombe. Lower-Early Middle Devonian Calmoniid Trilobites from Mato Grosso, Brazil, and Related Species from Paraná. 1991.