APA (7th ed.) Citation

Silverberg, R. (1978). Lost worlds, unknown horizons: Nine stories of science fiction. T. Nelson.

Chicago Style (17th ed.) Citation

Silverberg, Robert. Lost Worlds, Unknown Horizons: Nine Stories of Science Fiction. Nashville: T. Nelson, 1978.

MLA (9th ed.) Citation

Silverberg, Robert. Lost Worlds, Unknown Horizons: Nine Stories of Science Fiction. T. Nelson, 1978.

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