APA (7th ed.) Citation

Elgar, E. (1896). The Challenge of Thor: (King Olaf). Novello & Company.

Chicago Style (17th ed.) Citation

Elgar, Edward. The Challenge of Thor: (King Olaf). London: Novello & Company, 1896.

MLA (9th ed.) Citation

Elgar, Edward. The Challenge of Thor: (King Olaf). Novello & Company, 1896.

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