APA (7th ed.) Citation

Sagan, C., & Norton Leonard, J. (1970). Los planetas. Time - Life International.

Chicago Style (17th ed.) Citation

Sagan, Carl, and Jonathan Norton Leonard. Los Planetas. Nederland: Time - Life International, 1970.

MLA (9th ed.) Citation

Sagan, Carl, and Jonathan Norton Leonard. Los Planetas. Time - Life International, 1970.

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