APA (7th ed.) Citation

Lummis, C. F. (1963). The Spanish pioneers. Rio Grande Press.

Chicago Style (17th ed.) Citation

Lummis, Charles Fletcher. The Spanish Pioneers. Chicago: Rio Grande Press, 1963.

MLA (9th ed.) Citation

Lummis, Charles Fletcher. The Spanish Pioneers. Rio Grande Press, 1963.

Warning: These citations may not always be 100% accurate.