APA (7th ed.) Citation

Firsoff, V. (1963). Life beyond the earth. Hutchinson Scientific & Technical Publications.

Chicago Style (17th ed.) Citation

Firsoff, V.A. Life Beyond the Earth. London: Hutchinson Scientific & Technical Publications, 1963.

MLA (9th ed.) Citation

Firsoff, V.A. Life Beyond the Earth. Hutchinson Scientific & Technical Publications, 1963.

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