APA (7th ed.) Citation

Considine, R. (1961). Ripley, the modern Marco Polo. Doubleday.

Chicago Style (17th ed.) Citation

Considine, Robert. Ripley, the Modern Marco Polo. Garden City: Doubleday, 1961.

MLA (9th ed.) Citation

Considine, Robert. Ripley, the Modern Marco Polo. Doubleday, 1961.

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