APA (7th ed.) Citation

Bosc. (1986). Keep smiling!: Cartoons. Diogenes.

Chicago Style (17th ed.) Citation

Bosc. Keep Smiling!: Cartoons. Zürich: Diogenes, 1986.

MLA (9th ed.) Citation

Bosc. Keep Smiling!: Cartoons. Diogenes, 1986.

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