Стиль цитування APA (7-ме видання)

Professional Book Publishers. (2019). The Post Office Act, 1898 (06 of 1898). Professional Book Publishers.

Чикаго стиль цитування (17-те видання)

Professional Book Publishers. The Post Office Act, 1898 (06 of 1898). New Delhi: Professional Book Publishers, 2019.

Стиль цитування MLA (9-ме видання)

Professional Book Publishers. The Post Office Act, 1898 (06 of 1898). Professional Book Publishers, 2019.