Style de citation APA (7e éd.)

Russell, H. (2021). How to be sad: Everything I've learned about getting happier by being sad (First HarperOne edition.). HarperOne, an imprint of HarperCollins Publishers.

Style de citation Chicago (17e éd.)

Russell, Helen. How to Be Sad: Everything I've Learned About Getting Happier by Being Sad. First HarperOne edition. New York, NY: HarperOne, an imprint of HarperCollins Publishers, 2021.

Style de citation MLA (8e éd.)

Russell, Helen. How to Be Sad: Everything I've Learned About Getting Happier by Being Sad. First HarperOne edition. HarperOne, an imprint of HarperCollins Publishers, 2021.

Attention : ces citations peuvent ne pas être correctes à 100%.