APA (7th ed.) Citation

Watson, J. W., Witt, C. d., & Gallego, M. P. (1968). Geografía universal. Timun Mas.

Chicago Style (17th ed.) Citation

Watson, Jane Werner, C. de Witt, and Maria Pilar Gallego. Geografía Universal. Barcelona: Timun Mas, 1968.

MLA (9th ed.) Citation

Watson, Jane Werner, et al. Geografía Universal. Timun Mas, 1968.

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