Cita APA (7a ed.)

Grech, N., Robertson, B. P., & Kobeleva, E. V. (2021). Nikolai Gretsch's travel letters. Anthem Press.

Cita Chicago Style (17a ed.)

Grech, Nikolaĭ, Ben P. Robertson, y Ekaterina V. Kobeleva. Nikolai Gretsch's Travel Letters. London: Anthem Press, 2021.

Cita MLA (8a ed.)

Grech, Nikolaĭ, et al. Nikolai Gretsch's Travel Letters. Anthem Press, 2021.