APA (7th ed.) Citation

Ludlum, R. (1978). The Holcroft covenant. G.K. Hall.

Chicago Style (17th ed.) Citation

Ludlum, Robert. The Holcroft Covenant. Boston, Mass.: G.K. Hall, 1978.

MLA (9th ed.) Citation

Ludlum, Robert. The Holcroft Covenant. G.K. Hall, 1978.

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