APA (7th ed.) Citation

Vagyóczky, K. (1977). On commemorative envelop.

Chicago Style (17th ed.) Citation

Vagyóczky, K. On Commemorative Envelop. 1977.

MLA (8th ed.) Citation

Vagyóczky, K. On Commemorative Envelop. 1977.

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