APA (7th ed.) Citation

Hubbard, L. R. (1989). Mission Erde Mission Erde.

Chicago Style (17th ed.) Citation

Hubbard, L. Ron. "Mission Erde." Mission Erde 1989.

MLA (9th ed.) Citation

Hubbard, L. Ron. "Mission Erde." Mission Erde, 1989.

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