APA (7th ed.) Citation

Wilkins, W. H. The alien invasion. Methuen (London).

Chicago Style (17th ed.) Citation

Wilkins, W. H. The Alien Invasion. Methuen (London).

MLA (8th ed.) Citation

Wilkins, W. H. The Alien Invasion. Methuen (London).

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