APA (7th ed.) Citation

Buchan, J. (1971). The thirty-nine steps. Longman.

Chicago Style (17th ed.) Citation

Buchan, John. The Thirty-nine Steps. Longman, 1971.

MLA (8th ed.) Citation

Buchan, John. The Thirty-nine Steps. Longman, 1971.

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