APA (7th ed.) Citation

Eiseley, L. (1979). Darwin and the mysterious Mr X : new light on the evolutionists / (by) Loren Eiseley: New light on the evolutionists. Dent.

Chicago Style (17th ed.) Citation

Eiseley, Loren. Darwin and the Mysterious Mr X : New Light on the Evolutionists / (by) Loren Eiseley: New Light on the Evolutionists. London (etc.): Dent, 1979.

MLA (9th ed.) Citation

Eiseley, Loren. Darwin and the Mysterious Mr X : New Light on the Evolutionists / (by) Loren Eiseley: New Light on the Evolutionists. Dent, 1979.

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