APA (7th ed.) Citation

Martino, R. R. (1991). From habitable blue planet to scorched earth. Origins, 21, 528-529.

Chicago Style (17th ed.) Citation

Martino, Renato R. "From Habitable Blue Planet to Scorched Earth." Origins 21 (1991): 528-529.

MLA (8th ed.) Citation

Martino, Renato R. "From Habitable Blue Planet to Scorched Earth." Origins, vol. 21, 1991, pp. 528-529.

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