APA (7th ed.) Citation

Walden. (1981). Beyond the 13th sun. American Art Enterprises.

Chicago Style (17th ed.) Citation

Walden. Beyond the 13th Sun. USA: American Art Enterprises, 1981.

MLA (8th ed.) Citation

Walden. Beyond the 13th Sun. American Art Enterprises, 1981.

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