Cita APA (7th ed.)
Salentiny, F., & Waldmann, W. The Encyclopedia of World Explorers: From Armstrong to Shakleton. Rebo.
Cita Chicago (17th ed.)
Salentiny, Fernand, i Werner Waldmann. The Encyclopedia of World Explorers: From Armstrong to Shakleton. Holanda: Rebo.
Cita MLA (9th ed.)
Salentiny, Fernand, i Werner Waldmann. The Encyclopedia of World Explorers: From Armstrong to Shakleton. Rebo.
Atenció: Aquestes cites poden no estar 100% correctes.