APA (7th ed.) Citation

Moser Erwin. (1983). The Happy beaver. Hardy Books.

Chicago Style (17th ed.) Citation

Moser Erwin. The Happy Beaver. London: Hardy Books, 1983.

MLA (9th ed.) Citation

Moser Erwin. The Happy Beaver. Hardy Books, 1983.

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