APA (7th ed.) Citation

Buchan, J. (1991). The thirty-nine steps. Fabbri Publishing.

Chicago Style (17th ed.) Citation

Buchan, John. The Thirty-nine Steps. Barcelona: Fabbri Publishing, 1991.

MLA (9th ed.) Citation

Buchan, John. The Thirty-nine Steps. Fabbri Publishing, 1991.

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