APA (7th ed.) Citation

Watterson, B. (1992). Calvin & Hobbes (1a ed.). Gradiva.

Chicago Style (17th ed.) Citation

Watterson, Bill. Calvin & Hobbes. 1a ed. Gradiva, 1992.

MLA (8th ed.) Citation

Watterson, Bill. Calvin & Hobbes. 1a ed. Gradiva, 1992.

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