APA (7th ed.) Citation

Buchan,John. (1966). The Thirty-Nine Steps / John Buchan. Longman.

Chicago Style (17th ed.) Citation

Buchan,John. The Thirty-Nine Steps / John Buchan. Longman, 1966.

MLA (8th ed.) Citation

Buchan,John. The Thirty-Nine Steps / John Buchan. Longman, 1966.

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