APA (7th ed.) Citation

Helmerdig, S. (2018). Berlin by numbers: London from A-Z (First edition.). Peperoni Books.

Chicago Style (17th ed.) Citation

Helmerdig, Silke. Berlin by Numbers: London from A-Z. First edition. Berlin: Peperoni Books, 2018.

MLA (9th ed.) Citation

Helmerdig, Silke. Berlin by Numbers: London from A-Z. First edition. Peperoni Books, 2018.