APA (7th ed.) Citation

Radlkofer, L., Urban, I., & Ekman, E. L. (1927). Sapindaceae. [Almqvist & Wiksell].

Chicago Style (17th ed.) Citation

Radlkofer, Ludwig, Ignaz Urban, and Erik Leonard Ekman. Sapindaceae. [Stockholm]: [Almqvist & Wiksell], 1927.

MLA (9th ed.) Citation

Radlkofer, Ludwig, et al. Sapindaceae. [Almqvist & Wiksell], 1927.