Cita APA (7a ed.)

Nesbitt, P. (1999). Alan Johnston: Haus Wittgenstein. The Royal Botanic Garden.

Cita Chicago Style (17a ed.)

Nesbitt, Paul. Alan Johnston: Haus Wittgenstein. Edinburgh: The Royal Botanic Garden, 1999.

Cita MLA (8a ed.)

Nesbitt, Paul. Alan Johnston: Haus Wittgenstein. The Royal Botanic Garden, 1999.