APA (7th ed.) Citation

Hilton, W. F., & Sala, R. (1967). Satélites artificiales. Labor.

Chicago Style (17th ed.) Citation

Hilton, W. F., and Ramon Sala. Satélites Artificiales. Barcelona: Labor, 1967.

MLA (9th ed.) Citation

Hilton, W. F., and Ramon Sala. Satélites Artificiales. Labor, 1967.

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