APA (7th ed.) Citation

Astridge, S., & Norlin, A. (2017). Time twins. Submarine.

Chicago Style (17th ed.) Citation

Astridge, Sally, and Arne Norlin. Time Twins. Wellington: Submarine, 2017.

MLA (9th ed.) Citation

Astridge, Sally, and Arne Norlin. Time Twins. Submarine, 2017.

Warning: These citations may not always be 100% accurate.