The thirty-nine steps /
by John Buchan.

APA Citation

Buchan, J. (1915). The thirty-nine steps. Edinburgh: W. Blackwood and Sons.

MLA Citation

Buchan, John, 1875-1940. The Thirty-nine Steps. Edinburgh: W. Blackwood and Sons, 1915.

Warning: These citations may not always be complete (especially for serials).