APA (7th ed.) Citation

Costello, P. J. (1947). Giants under the earth. The William-Frederick Press.

Chicago Style (17th ed.) Citation

Costello, Patrick J. Giants Under the Earth. New York: The William-Frederick Press, 1947.

MLA (9th ed.) Citation

Costello, Patrick J. Giants Under the Earth. The William-Frederick Press, 1947.

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