Cita APA (7a ed.)

Morrell Margot. (2002). Shackleton's Why: Leadership Lesson.. Great Antarctic explorer. Penguin books.

Cita Chicago Style (17a ed.)

Morrell Margot. Shackleton's Why: Leadership Lesson.. Great Antarctic Explorer. USA: Penguin books, 2002.

Cita MLA (9a ed.)

Morrell Margot. Shackleton's Why: Leadership Lesson.. Great Antarctic Explorer. Penguin books, 2002.