APA (7th ed.) Citation

Tolkien, C. (1960). The saga of King Heidrek the Wise: Trans. from the Icelandic, with intro. Nelson.

Chicago Style (17th ed.) Citation

Tolkien, Christopher. The Saga of King Heidrek the Wise: Trans. from the Icelandic, with Intro. Lond.: Nelson, 1960.

MLA (8th ed.) Citation

Tolkien, Christopher. The Saga of King Heidrek the Wise: Trans. from the Icelandic, with Intro. Nelson, 1960.

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