Citazione Stile APA (7a Edizione)

Ludlum, R. (1991). The Scarlatti inheritance ; The Osterman weekend ; The Matlock paper ; The Gemini contenders. Peerage Books.

Citazione stile Chigago Style (17a edizione)

Ludlum, Robert. The Scarlatti Inheritance ; The Osterman Weekend ; The Matlock Paper ; The Gemini Contenders. London: Peerage Books, 1991.

Citatione MLA (9a ed.)

Ludlum, Robert. The Scarlatti Inheritance ; The Osterman Weekend ; The Matlock Paper ; The Gemini Contenders. Peerage Books, 1991.