APA (7th ed.) Citation

Heron House. (1978). The book of numbers. A & W Publishers.

Chicago Style (17th ed.) Citation

Heron House. The Book of Numbers. New York: A & W Publishers, 1978.

MLA (9th ed.) Citation

Heron House. The Book of Numbers. A & W Publishers, 1978.

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