APA (7th ed.) Citation

Layrisse, M., & Wilbert, J. (1966). Indian societies of Venezuela: Their blood group types. Ed. Sucre.

Chicago Style (17th ed.) Citation

Layrisse, Miguel, and Johannes Wilbert. Indian Societies of Venezuela: Their Blood Group Types. Caracas, Ven: Ed. Sucre, 1966.

MLA (9th ed.) Citation

Layrisse, Miguel, and Johannes Wilbert. Indian Societies of Venezuela: Their Blood Group Types. Ed. Sucre, 1966.