APA (7th ed.) Citation

Van Stockum, H. (1948). The angels' alphabet. Viking Press.

Chicago Style (17th ed.) Citation

Van Stockum, Hilda. The Angels' Alphabet. New York: Viking Press, 1948.

MLA (9th ed.) Citation

Van Stockum, Hilda. The Angels' Alphabet. Viking Press, 1948.

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