APA (7th ed.) Citation

Knobloch, I. W. (1979). The plant collectors of northern Mexico. Latin American Studies Center, Michigan State University.

Chicago Style (17th ed.) Citation

Knobloch, Irving W. The Plant Collectors of Northern Mexico. East Lansing, Mich.: Latin American Studies Center, Michigan State University, 1979.

MLA (9th ed.) Citation

Knobloch, Irving W. The Plant Collectors of Northern Mexico. Latin American Studies Center, Michigan State University, 1979.