Cita APA (7th ed.)
Steves, R., Meier, M., & Hoerlein, D. C. (1955). Europe through the back door. John Muir Publications.
Cita Chicago (17th ed.)
Steves, Rick, Melissa Meier, i David C. Hoerlein. Europe Through the Back Door. Santa Fe.: John Muir Publications, 1955.
Cita MLA (9th ed.)
Steves, Rick, et al. Europe Through the Back Door. John Muir Publications, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.