Cita APA (7th ed.)

Hatcher, V., & Ruhen, O. (1970). Port Macquarie sketchbook. Rigby.

Cita Chicago (17th ed.)

Hatcher, Victor, i Olaf Ruhen. Port Macquarie Sketchbook. [Adelaide]: Rigby, 1970.

Cita MLA (8th ed.)

Hatcher, Victor, i Olaf Ruhen. Port Macquarie Sketchbook. Rigby, 1970.