APA (7th ed.) Citation

Hubbard, L. R. (1988). Mission earth Mission earth the biggest science fiction dekalogy ever written.

Chicago Style (17th ed.) Citation

Hubbard, L. Ron. "Mission Earth." Mission Earth the Biggest Science Fiction Dekalogy Ever Written 1988.

MLA (8th ed.) Citation

Hubbard, L. Ron. "Mission Earth." Mission Earth the Biggest Science Fiction Dekalogy Ever Written, 1988.

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