APA (7th ed.) Citation

Crookall, R. The next world and the next. The theosophical publishing house.

Chicago Style (17th ed.) Citation

Crookall, Robert. The Next World and the Next. London: The theosophical publishing house.

MLA (8th ed.) Citation

Crookall, Robert. The Next World and the Next. The theosophical publishing house.

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